Home / 5,178,439.13-7,769,898.66-2,779,481.24

Finding the Fourth Proportional to 5,178,439.13, 7,769,898.66 and 2,779,481.24

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Solution

The fourth proportional to 5,178,439.13, 7,769,898.66 and 2,779,481.24 is: 4,170,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,439.13 : 7,769,898.66 = 2,779,481.24 : x
  2. Step 2: Convert to fraction form
    5,178,439.13/7,769,898.66 = 2,779,481.24/x
  3. Step 3: Cross multiply
    5,178,439.13x = 7,769,898.66 × 2,779,481.24
  4. Step 4: Simplify right side
    5,178,439.13x = 21,596,287,592,018.94
  5. Step 5: Solve for x
    x = 21,596,287,592,018.94/5,178,439.13
  6. Step 6: Final answer
    x = 4,170,424.15

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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.