Home / 5,128,581.20-7,683,540.60-4,176,798.80

Finding the Fourth Proportional to 5,128,581.20, 7,683,540.60 and 4,176,798.80

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Solution

The fourth proportional to 5,128,581.20, 7,683,540.60 and 4,176,798.80 is: 6,257,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,581.20 : 7,683,540.60 = 4,176,798.80 : x
  2. Step 2: Convert to fraction form
    5,128,581.20/7,683,540.60 = 4,176,798.80/x
  3. Step 3: Cross multiply
    5,128,581.20x = 7,683,540.60 × 4,176,798.80
  4. Step 4: Simplify right side
    5,128,581.20x = 32,092,603,157,831.28
  5. Step 5: Solve for x
    x = 32,092,603,157,831.28/5,128,581.20
  6. Step 6: Final answer
    x = 6,257,598.72

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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.