Home / 1,962,487.64-2,943,786.75-542,543.57

Finding the Fourth Proportional to 1,962,487.64, 2,943,786.75 and 542,543.57

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Solution

The fourth proportional to 1,962,487.64, 2,943,786.75 and 542,543.57 is: 813,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,487.64 : 2,943,786.75 = 542,543.57 : x
  2. Step 2: Convert to fraction form
    1,962,487.64/2,943,786.75 = 542,543.57/x
  3. Step 3: Cross multiply
    1,962,487.64x = 2,943,786.75 × 542,543.57
  4. Step 4: Simplify right side
    1,962,487.64x = 1,597,132,566,949.43
  5. Step 5: Solve for x
    x = 1,597,132,566,949.43/1,962,487.64
  6. Step 6: Final answer
    x = 813,830.64

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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.