Home / 2,712,041.46-4,068,123.66-690,277.50

Finding the Fourth Proportional to 2,712,041.46, 4,068,123.66 and 690,277.50

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Solution

The fourth proportional to 2,712,041.46, 4,068,123.66 and 690,277.50 is: 1,035,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,041.46 : 4,068,123.66 = 690,277.50 : x
  2. Step 2: Convert to fraction form
    2,712,041.46/4,068,123.66 = 690,277.50/x
  3. Step 3: Cross multiply
    2,712,041.46x = 4,068,123.66 × 690,277.50
  4. Step 4: Simplify right side
    2,712,041.46x = 2,808,134,229,715.65
  5. Step 5: Solve for x
    x = 2,808,134,229,715.65/2,712,041.46
  6. Step 6: Final answer
    x = 1,035,431.90

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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.