Home / 5,314,865.80-7,972,298.70-1,528,126.60

Finding the Fourth Proportional to 5,314,865.80, 7,972,298.70 and 1,528,126.60

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Solution

The fourth proportional to 5,314,865.80, 7,972,298.70 and 1,528,126.60 is: 2,292,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,865.80 : 7,972,298.70 = 1,528,126.60 : x
  2. Step 2: Convert to fraction form
    5,314,865.80/7,972,298.70 = 1,528,126.60/x
  3. Step 3: Cross multiply
    5,314,865.80x = 7,972,298.70 × 1,528,126.60
  4. Step 4: Simplify right side
    5,314,865.80x = 12,182,681,706,615.42
  5. Step 5: Solve for x
    x = 12,182,681,706,615.42/5,314,865.80
  6. Step 6: Final answer
    x = 2,292,189.90

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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.