Home / 4,988,534.40-7,485,004.80-2,428,329.60

Finding the Fourth Proportional to 4,988,534.40, 7,485,004.80 and 2,428,329.60

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Solution

The fourth proportional to 4,988,534.40, 7,485,004.80 and 2,428,329.60 is: 3,643,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,534.40 : 7,485,004.80 = 2,428,329.60 : x
  2. Step 2: Convert to fraction form
    4,988,534.40/7,485,004.80 = 2,428,329.60/x
  3. Step 3: Cross multiply
    4,988,534.40x = 7,485,004.80 × 2,428,329.60
  4. Step 4: Simplify right side
    4,988,534.40x = 18,176,058,711,982.08
  5. Step 5: Solve for x
    x = 18,176,058,711,982.08/4,988,534.40
  6. Step 6: Final answer
    x = 3,643,566.88

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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.