Home / 5,138,266.59-7,704,986.05-2,979,905.05

Finding the Fourth Proportional to 5,138,266.59, 7,704,986.05 and 2,979,905.05

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Solution

The fourth proportional to 5,138,266.59, 7,704,986.05 and 2,979,905.05 is: 4,468,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,266.59 : 7,704,986.05 = 2,979,905.05 : x
  2. Step 2: Convert to fraction form
    5,138,266.59/7,704,986.05 = 2,979,905.05/x
  3. Step 3: Cross multiply
    5,138,266.59x = 7,704,986.05 × 2,979,905.05
  4. Step 4: Simplify right side
    5,138,266.59x = 22,960,126,840,574.55
  5. Step 5: Solve for x
    x = 22,960,126,840,574.55/5,138,266.59
  6. Step 6: Final answer
    x = 4,468,457.69

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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.