Home / 5,725,287.70-8,587,931.55-5,479,566.10

Finding the Fourth Proportional to 5,725,287.70, 8,587,931.55 and 5,479,566.10

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Solution

The fourth proportional to 5,725,287.70, 8,587,931.55 and 5,479,566.10 is: 8,219,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725,287.70 : 8,587,931.55 = 5,479,566.10 : x
  2. Step 2: Convert to fraction form
    5,725,287.70/8,587,931.55 = 5,479,566.10/x
  3. Step 3: Cross multiply
    5,725,287.70x = 8,587,931.55 × 5,479,566.10
  4. Step 4: Simplify right side
    5,725,287.70x = 47,058,138,590,500.45
  5. Step 5: Solve for x
    x = 47,058,138,590,500.45/5,725,287.70
  6. Step 6: Final answer
    x = 8,219,349.15

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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.