Home / 3,280,221.15-4,920,331.73-1,845,330.45

Finding the Fourth Proportional to 3,280,221.15, 4,920,331.73 and 1,845,330.45

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Solution

The fourth proportional to 3,280,221.15, 4,920,331.73 and 1,845,330.45 is: 2,767,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,221.15 : 4,920,331.73 = 1,845,330.45 : x
  2. Step 2: Convert to fraction form
    3,280,221.15/4,920,331.73 = 1,845,330.45/x
  3. Step 3: Cross multiply
    3,280,221.15x = 4,920,331.73 × 1,845,330.45
  4. Step 4: Simplify right side
    3,280,221.15x = 9,079,637,956,243.53
  5. Step 5: Solve for x
    x = 9,079,637,956,243.53/3,280,221.15
  6. Step 6: Final answer
    x = 2,767,995.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.