Home / 5,290,865.28-7,301,963.52-2,998,779.84

Finding the Fourth Proportional to 5,290,865.28, 7,301,963.52 and 2,998,779.84

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Solution

The fourth proportional to 5,290,865.28, 7,301,963.52 and 2,998,779.84 is: 4,138,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,865.28 : 7,301,963.52 = 2,998,779.84 : x
  2. Step 2: Convert to fraction form
    5,290,865.28/7,301,963.52 = 2,998,779.84/x
  3. Step 3: Cross multiply
    5,290,865.28x = 7,301,963.52 × 2,998,779.84
  4. Step 4: Simplify right side
    5,290,865.28x = 21,896,980,996,191.43
  5. Step 5: Solve for x
    x = 21,896,980,996,191.43/5,290,865.28
  6. Step 6: Final answer
    x = 4,138,638.93

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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.