Home / 5,409,265.32-8,101,017.43-3,129,986.21

Finding the Fourth Proportional to 5,409,265.32, 8,101,017.43 and 3,129,986.21

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Solution

The fourth proportional to 5,409,265.32, 8,101,017.43 and 3,129,986.21 is: 4,687,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409,265.32 : 8,101,017.43 = 3,129,986.21 : x
  2. Step 2: Convert to fraction form
    5,409,265.32/8,101,017.43 = 3,129,986.21/x
  3. Step 3: Cross multiply
    5,409,265.32x = 8,101,017.43 × 3,129,986.21
  4. Step 4: Simplify right side
    5,409,265.32x = 25,356,072,794,539.59
  5. Step 5: Solve for x
    x = 25,356,072,794,539.59/5,409,265.32
  6. Step 6: Final answer
    x = 4,687,526.18

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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.