Home / 3,143,788.32-4,715,681.87-1,345,505.70

Finding the Fourth Proportional to 3,143,788.32, 4,715,681.87 and 1,345,505.70

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Solution

The fourth proportional to 3,143,788.32, 4,715,681.87 and 1,345,505.70 is: 2,018,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,788.32 : 4,715,681.87 = 1,345,505.70 : x
  2. Step 2: Convert to fraction form
    3,143,788.32/4,715,681.87 = 1,345,505.70/x
  3. Step 3: Cross multiply
    3,143,788.32x = 4,715,681.87 × 1,345,505.70
  4. Step 4: Simplify right side
    3,143,788.32x = 6,344,976,838,835.42
  5. Step 5: Solve for x
    x = 6,344,976,838,835.42/3,143,788.32
  6. Step 6: Final answer
    x = 2,018,258.29

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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.