Home / 5,181,689.42-7,779,269.43-3,984,452.51

Finding the Fourth Proportional to 5,181,689.42, 7,779,269.43 and 3,984,452.51

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Solution

The fourth proportional to 5,181,689.42, 7,779,269.43 and 3,984,452.51 is: 5,981,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,689.42 : 7,779,269.43 = 3,984,452.51 : x
  2. Step 2: Convert to fraction form
    5,181,689.42/7,779,269.43 = 3,984,452.51/x
  3. Step 3: Cross multiply
    5,181,689.42x = 7,779,269.43 × 3,984,452.51
  4. Step 4: Simplify right side
    5,181,689.42x = 30,996,129,606,329.77
  5. Step 5: Solve for x
    x = 30,996,129,606,329.77/5,181,689.42
  6. Step 6: Final answer
    x = 5,981,857.86

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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.