Home / 5,239,607.40-7,230,646.98-2,947,769.64

Finding the Fourth Proportional to 5,239,607.40, 7,230,646.98 and 2,947,769.64

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Solution

The fourth proportional to 5,239,607.40, 7,230,646.98 and 2,947,769.64 is: 4,067,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,607.40 : 7,230,646.98 = 2,947,769.64 : x
  2. Step 2: Convert to fraction form
    5,239,607.40/7,230,646.98 = 2,947,769.64/x
  3. Step 3: Cross multiply
    5,239,607.40x = 7,230,646.98 × 2,947,769.64
  4. Step 4: Simplify right side
    5,239,607.40x = 21,314,281,645,201.69
  5. Step 5: Solve for x
    x = 21,314,281,645,201.69/5,239,607.40
  6. Step 6: Final answer
    x = 4,067,915.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.