Home / 3,703,607.40-5,555,411.10-3,679,987.80

Finding the Fourth Proportional to 3,703,607.40, 5,555,411.10 and 3,679,987.80

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Solution

The fourth proportional to 3,703,607.40, 5,555,411.10 and 3,679,987.80 is: 5,519,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703,607.40 : 5,555,411.10 = 3,679,987.80 : x
  2. Step 2: Convert to fraction form
    3,703,607.40/5,555,411.10 = 3,679,987.80/x
  3. Step 3: Cross multiply
    3,703,607.40x = 5,555,411.10 × 3,679,987.80
  4. Step 4: Simplify right side
    3,703,607.40x = 20,443,845,071,984.58
  5. Step 5: Solve for x
    x = 20,443,845,071,984.58/3,703,607.40
  6. Step 6: Final answer
    x = 5,519,981.70

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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.