Home / 2,830,877.10-3,906,720.98-1,607,296.47

Finding the Fourth Proportional to 2,830,877.10, 3,906,720.98 and 1,607,296.47

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Solution

The fourth proportional to 2,830,877.10, 3,906,720.98 and 1,607,296.47 is: 2,218,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,877.10 : 3,906,720.98 = 1,607,296.47 : x
  2. Step 2: Convert to fraction form
    2,830,877.10/3,906,720.98 = 1,607,296.47/x
  3. Step 3: Cross multiply
    2,830,877.10x = 3,906,720.98 × 1,607,296.47
  4. Step 4: Simplify right side
    2,830,877.10x = 6,279,258,840,428.94
  5. Step 5: Solve for x
    x = 6,279,258,840,428.94/2,830,877.10
  6. Step 6: Final answer
    x = 2,218,131.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.