Home / 6,428,774.33-9,643,215.56-1,636,464.41

Finding the Fourth Proportional to 6,428,774.33, 9,643,215.56 and 1,636,464.41

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Solution

The fourth proportional to 6,428,774.33, 9,643,215.56 and 1,636,464.41 is: 2,454,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,774.33 : 9,643,215.56 = 1,636,464.41 : x
  2. Step 2: Convert to fraction form
    6,428,774.33/9,643,215.56 = 1,636,464.41/x
  3. Step 3: Cross multiply
    6,428,774.33x = 9,643,215.56 × 1,636,464.41
  4. Step 4: Simplify right side
    6,428,774.33x = 15,780,779,053,715.90
  5. Step 5: Solve for x
    x = 15,780,779,053,715.90/6,428,774.33
  6. Step 6: Final answer
    x = 2,454,710.38

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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.