Home / 2,486,815.08-3,730,222.41-689,698.56

Finding the Fourth Proportional to 2,486,815.08, 3,730,222.41 and 689,698.56

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Solution

The fourth proportional to 2,486,815.08, 3,730,222.41 and 689,698.56 is: 1,034,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,815.08 : 3,730,222.41 = 689,698.56 : x
  2. Step 2: Convert to fraction form
    2,486,815.08/3,730,222.41 = 689,698.56/x
  3. Step 3: Cross multiply
    2,486,815.08x = 3,730,222.41 × 689,698.56
  4. Step 4: Simplify right side
    2,486,815.08x = 2,572,729,024,656.73
  5. Step 5: Solve for x
    x = 2,572,729,024,656.73/2,486,815.08
  6. Step 6: Final answer
    x = 1,034,547.78

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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.