Home / 3,885,159.60-5,827,912.20-1,326,337.20

Finding the Fourth Proportional to 3,885,159.60, 5,827,912.20 and 1,326,337.20

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Solution

The fourth proportional to 3,885,159.60, 5,827,912.20 and 1,326,337.20 is: 1,989,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,159.60 : 5,827,912.20 = 1,326,337.20 : x
  2. Step 2: Convert to fraction form
    3,885,159.60/5,827,912.20 = 1,326,337.20/x
  3. Step 3: Cross multiply
    3,885,159.60x = 5,827,912.20 × 1,326,337.20
  4. Step 4: Simplify right side
    3,885,159.60x = 7,729,776,749,193.84
  5. Step 5: Solve for x
    x = 7,729,776,749,193.84/3,885,159.60
  6. Step 6: Final answer
    x = 1,989,564.79

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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.