Home / 4,654,020.40-6,981,030.60-1,288,227.40

Finding the Fourth Proportional to 4,654,020.40, 6,981,030.60 and 1,288,227.40

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Solution

The fourth proportional to 4,654,020.40, 6,981,030.60 and 1,288,227.40 is: 1,932,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654,020.40 : 6,981,030.60 = 1,288,227.40 : x
  2. Step 2: Convert to fraction form
    4,654,020.40/6,981,030.60 = 1,288,227.40/x
  3. Step 3: Cross multiply
    4,654,020.40x = 6,981,030.60 × 1,288,227.40
  4. Step 4: Simplify right side
    4,654,020.40x = 8,993,154,899,158.44
  5. Step 5: Solve for x
    x = 8,993,154,899,158.44/4,654,020.40
  6. Step 6: Final answer
    x = 1,932,341.10

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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.