Home / 3,119,390.60-4,688,417.10-2,708,817.80

Finding the Fourth Proportional to 3,119,390.60, 4,688,417.10 and 2,708,817.80

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Solution

The fourth proportional to 3,119,390.60, 4,688,417.10 and 2,708,817.80 is: 4,071,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,390.60 : 4,688,417.10 = 2,708,817.80 : x
  2. Step 2: Convert to fraction form
    3,119,390.60/4,688,417.10 = 2,708,817.80/x
  3. Step 3: Cross multiply
    3,119,390.60x = 4,688,417.10 × 2,708,817.80
  4. Step 4: Simplify right side
    3,119,390.60x = 12,700,067,694,304.38
  5. Step 5: Solve for x
    x = 12,700,067,694,304.38/3,119,390.60
  6. Step 6: Final answer
    x = 4,071,329.73

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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.