Home / 5,145,877.60-7,727,110.80-3,885,128.80

Finding the Fourth Proportional to 5,145,877.60, 7,727,110.80 and 3,885,128.80

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Solution

The fourth proportional to 5,145,877.60, 7,727,110.80 and 3,885,128.80 is: 5,833,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,877.60 : 7,727,110.80 = 3,885,128.80 : x
  2. Step 2: Convert to fraction form
    5,145,877.60/7,727,110.80 = 3,885,128.80/x
  3. Step 3: Cross multiply
    5,145,877.60x = 7,727,110.80 × 3,885,128.80
  4. Step 4: Simplify right side
    5,145,877.60x = 30,020,820,709,871.04
  5. Step 5: Solve for x
    x = 30,020,820,709,871.04/5,145,877.60
  6. Step 6: Final answer
    x = 5,833,955.46

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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.