Home / 3,400,708.98-4,692,765.72-1,872,816.12

Finding the Fourth Proportional to 3,400,708.98, 4,692,765.72 and 1,872,816.12

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Solution

The fourth proportional to 3,400,708.98, 4,692,765.72 and 1,872,816.12 is: 2,584,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,708.98 : 4,692,765.72 = 1,872,816.12 : x
  2. Step 2: Convert to fraction form
    3,400,708.98/4,692,765.72 = 1,872,816.12/x
  3. Step 3: Cross multiply
    3,400,708.98x = 4,692,765.72 × 1,872,816.12
  4. Step 4: Simplify right side
    3,400,708.98x = 8,788,687,287,799.41
  5. Step 5: Solve for x
    x = 8,788,687,287,799.41/3,400,708.98
  6. Step 6: Final answer
    x = 2,584,369.12

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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.