Home / 3,494,691.12-4,822,828.92-1,966,897.20

Finding the Fourth Proportional to 3,494,691.12, 4,822,828.92 and 1,966,897.20

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Solution

The fourth proportional to 3,494,691.12, 4,822,828.92 and 1,966,897.20 is: 2,714,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494,691.12 : 4,822,828.92 = 1,966,897.20 : x
  2. Step 2: Convert to fraction form
    3,494,691.12/4,822,828.92 = 1,966,897.20/x
  3. Step 3: Cross multiply
    3,494,691.12x = 4,822,828.92 × 1,966,897.20
  4. Step 4: Simplify right side
    3,494,691.12x = 9,486,008,698,827.02
  5. Step 5: Solve for x
    x = 9,486,008,698,827.02/3,494,691.12
  6. Step 6: Final answer
    x = 2,714,405.47

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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.