Home / 2,912,482.22-4,368,721.02-782,566.33

Finding the Fourth Proportional to 2,912,482.22, 4,368,721.02 and 782,566.33

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Solution

The fourth proportional to 2,912,482.22, 4,368,721.02 and 782,566.33 is: 1,173,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,482.22 : 4,368,721.02 = 782,566.33 : x
  2. Step 2: Convert to fraction form
    2,912,482.22/4,368,721.02 = 782,566.33/x
  3. Step 3: Cross multiply
    2,912,482.22x = 4,368,721.02 × 782,566.33
  4. Step 4: Simplify right side
    2,912,482.22x = 3,418,813,988,731.03
  5. Step 5: Solve for x
    x = 3,418,813,988,731.03/2,912,482.22
  6. Step 6: Final answer
    x = 1,173,848.88

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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.