Home / 5,205,047.28-7,182,990-2,913,650.88

Finding the Fourth Proportional to 5,205,047.28, 7,182,990 and 2,913,650.88

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Solution

The fourth proportional to 5,205,047.28, 7,182,990 and 2,913,650.88 is: 4,020,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,047.28 : 7,182,990 = 2,913,650.88 : x
  2. Step 2: Convert to fraction form
    5,205,047.28/7,182,990 = 2,913,650.88/x
  3. Step 3: Cross multiply
    5,205,047.28x = 7,182,990 × 2,913,650.88
  4. Step 4: Simplify right side
    5,205,047.28x = 20,928,725,134,531.20
  5. Step 5: Solve for x
    x = 20,928,725,134,531.20/5,205,047.28
  6. Step 6: Final answer
    x = 4,020,852.07

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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.