Home / 3,100,123.68-4,651,235.28-1,394,088.72

Finding the Fourth Proportional to 3,100,123.68, 4,651,235.28 and 1,394,088.72

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Solution

The fourth proportional to 3,100,123.68, 4,651,235.28 and 1,394,088.72 is: 2,091,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,123.68 : 4,651,235.28 = 1,394,088.72 : x
  2. Step 2: Convert to fraction form
    3,100,123.68/4,651,235.28 = 1,394,088.72/x
  3. Step 3: Cross multiply
    3,100,123.68x = 4,651,235.28 × 1,394,088.72
  4. Step 4: Simplify right side
    3,100,123.68x = 6,484,234,637,914.04
  5. Step 5: Solve for x
    x = 6,484,234,637,914.04/3,100,123.68
  6. Step 6: Final answer
    x = 2,091,605.14

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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.