Home / 3,487,526.40-5,231,289.60-1,805,145.60

Finding the Fourth Proportional to 3,487,526.40, 5,231,289.60 and 1,805,145.60

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Solution

The fourth proportional to 3,487,526.40, 5,231,289.60 and 1,805,145.60 is: 2,707,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,526.40 : 5,231,289.60 = 1,805,145.60 : x
  2. Step 2: Convert to fraction form
    3,487,526.40/5,231,289.60 = 1,805,145.60/x
  3. Step 3: Cross multiply
    3,487,526.40x = 5,231,289.60 × 1,805,145.60
  4. Step 4: Simplify right side
    3,487,526.40x = 9,443,239,403,765.76
  5. Step 5: Solve for x
    x = 9,443,239,403,765.76/3,487,526.40
  6. Step 6: Final answer
    x = 2,707,718.40

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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.