Home / 3,432,290.63-4,719,764.90-2,978,794.31

Finding the Fourth Proportional to 3,432,290.63, 4,719,764.90 and 2,978,794.31

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Solution

The fourth proportional to 3,432,290.63, 4,719,764.90 and 2,978,794.31 is: 4,096,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,290.63 : 4,719,764.90 = 2,978,794.31 : x
  2. Step 2: Convert to fraction form
    3,432,290.63/4,719,764.90 = 2,978,794.31/x
  3. Step 3: Cross multiply
    3,432,290.63x = 4,719,764.90 × 2,978,794.31
  4. Step 4: Simplify right side
    3,432,290.63x = 14,059,208,812,505.88
  5. Step 5: Solve for x
    x = 14,059,208,812,505.88/3,432,290.63
  6. Step 6: Final answer
    x = 4,096,159.20

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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.