Home / 4,428,476.10-6,642,714.15-2,916,821.70

Finding the Fourth Proportional to 4,428,476.10, 6,642,714.15 and 2,916,821.70

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Solution

The fourth proportional to 4,428,476.10, 6,642,714.15 and 2,916,821.70 is: 4,375,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,476.10 : 6,642,714.15 = 2,916,821.70 : x
  2. Step 2: Convert to fraction form
    4,428,476.10/6,642,714.15 = 2,916,821.70/x
  3. Step 3: Cross multiply
    4,428,476.10x = 6,642,714.15 × 2,916,821.70
  4. Step 4: Simplify right side
    4,428,476.10x = 19,375,612,779,617.06
  5. Step 5: Solve for x
    x = 19,375,612,779,617.06/4,428,476.10
  6. Step 6: Final answer
    x = 4,375,232.55

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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.