Home / 3,280,213.40-4,920,320.10-1,845,322.70

Finding the Fourth Proportional to 3,280,213.40, 4,920,320.10 and 1,845,322.70

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Solution

The fourth proportional to 3,280,213.40, 4,920,320.10 and 1,845,322.70 is: 2,767,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,213.40 : 4,920,320.10 = 1,845,322.70 : x
  2. Step 2: Convert to fraction form
    3,280,213.40/4,920,320.10 = 1,845,322.70/x
  3. Step 3: Cross multiply
    3,280,213.40x = 4,920,320.10 × 1,845,322.70
  4. Step 4: Simplify right side
    3,280,213.40x = 9,079,578,371,796.27
  5. Step 5: Solve for x
    x = 9,079,578,371,796.27/3,280,213.40
  6. Step 6: Final answer
    x = 2,767,984.05

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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.