Home / 3,396,565.18-4,687,259.79-1,868,639.50

Finding the Fourth Proportional to 3,396,565.18, 4,687,259.79 and 1,868,639.50

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Solution

The fourth proportional to 3,396,565.18, 4,687,259.79 and 1,868,639.50 is: 2,578,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396,565.18 : 4,687,259.79 = 1,868,639.50 : x
  2. Step 2: Convert to fraction form
    3,396,565.18/4,687,259.79 = 1,868,639.50/x
  3. Step 3: Cross multiply
    3,396,565.18x = 4,687,259.79 × 1,868,639.50
  4. Step 4: Simplify right side
    3,396,565.18x = 8,758,798,790,355.71
  5. Step 5: Solve for x
    x = 8,758,798,790,355.71/3,396,565.18
  6. Step 6: Final answer
    x = 2,578,722.42

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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.