Home / 4,309,948.80-6,463,886.40-1,318,158.72

Finding the Fourth Proportional to 4,309,948.80, 6,463,886.40 and 1,318,158.72

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Solution

The fourth proportional to 4,309,948.80, 6,463,886.40 and 1,318,158.72 is: 1,976,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,948.80 : 6,463,886.40 = 1,318,158.72 : x
  2. Step 2: Convert to fraction form
    4,309,948.80/6,463,886.40 = 1,318,158.72/x
  3. Step 3: Cross multiply
    4,309,948.80x = 6,463,886.40 × 1,318,158.72
  4. Step 4: Simplify right side
    4,309,948.80x = 8,520,428,223,249.41
  5. Step 5: Solve for x
    x = 8,520,428,223,249.41/4,309,948.80
  6. Step 6: Final answer
    x = 1,976,920.98

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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.