Home / 2,716,534.87-4,072,268.82-918,167.20

Finding the Fourth Proportional to 2,716,534.87, 4,072,268.82 and 918,167.20

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Solution

The fourth proportional to 2,716,534.87, 4,072,268.82 and 918,167.20 is: 1,376,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,534.87 : 4,072,268.82 = 918,167.20 : x
  2. Step 2: Convert to fraction form
    2,716,534.87/4,072,268.82 = 918,167.20/x
  3. Step 3: Cross multiply
    2,716,534.87x = 4,072,268.82 × 918,167.20
  4. Step 4: Simplify right side
    2,716,534.87x = 3,739,023,660,106.70
  5. Step 5: Solve for x
    x = 3,739,023,660,106.70/2,716,534.87
  6. Step 6: Final answer
    x = 1,376,394.50

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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.