Home / 2,639,627.55-3,642,686.01-1,432,403.55

Finding the Fourth Proportional to 2,639,627.55, 3,642,686.01 and 1,432,403.55

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Solution

The fourth proportional to 2,639,627.55, 3,642,686.01 and 1,432,403.55 is: 1,976,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,627.55 : 3,642,686.01 = 1,432,403.55 : x
  2. Step 2: Convert to fraction form
    2,639,627.55/3,642,686.01 = 1,432,403.55/x
  3. Step 3: Cross multiply
    2,639,627.55x = 3,642,686.01 × 1,432,403.55
  4. Step 4: Simplify right side
    2,639,627.55x = 5,217,796,372,259.34
  5. Step 5: Solve for x
    x = 5,217,796,372,259.34/2,639,627.55
  6. Step 6: Final answer
    x = 1,976,716.89

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1.5x scale

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.