Home / 3,432,240-4,719,695.04-2,978,743.68

Finding the Fourth Proportional to 3,432,240, 4,719,695.04 and 2,978,743.68

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Solution

The fourth proportional to 3,432,240, 4,719,695.04 and 2,978,743.68 is: 4,096,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,240 : 4,719,695.04 = 2,978,743.68 : x
  2. Step 2: Convert to fraction form
    3,432,240/4,719,695.04 = 2,978,743.68/x
  3. Step 3: Cross multiply
    3,432,240x = 4,719,695.04 × 2,978,743.68
  4. Step 4: Simplify right side
    3,432,240x = 14,058,761,771,927.35
  5. Step 5: Solve for x
    x = 14,058,761,771,927.35/3,432,240
  6. Step 6: Final answer
    x = 4,096,089.37

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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.