Home / 2,665,430.42-3,998,079.20-1,247,073.44

Finding the Fourth Proportional to 2,665,430.42, 3,998,079.20 and 1,247,073.44

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Solution

The fourth proportional to 2,665,430.42, 3,998,079.20 and 1,247,073.44 is: 1,870,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,430.42 : 3,998,079.20 = 1,247,073.44 : x
  2. Step 2: Convert to fraction form
    2,665,430.42/3,998,079.20 = 1,247,073.44/x
  3. Step 3: Cross multiply
    2,665,430.42x = 3,998,079.20 × 1,247,073.44
  4. Step 4: Simplify right side
    2,665,430.42x = 4,985,898,364,463.74
  5. Step 5: Solve for x
    x = 4,985,898,364,463.74/2,665,430.42
  6. Step 6: Final answer
    x = 1,870,579.08

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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.