Home / 2,716,532.87-4,072,265.82-918,165.20

Finding the Fourth Proportional to 2,716,532.87, 4,072,265.82 and 918,165.20

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Solution

The fourth proportional to 2,716,532.87, 4,072,265.82 and 918,165.20 is: 1,376,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,532.87 : 4,072,265.82 = 918,165.20 : x
  2. Step 2: Convert to fraction form
    2,716,532.87/4,072,265.82 = 918,165.20/x
  3. Step 3: Cross multiply
    2,716,532.87x = 4,072,265.82 × 918,165.20
  4. Step 4: Simplify right side
    2,716,532.87x = 3,739,012,740,712.14
  5. Step 5: Solve for x
    x = 3,739,012,740,712.14/2,716,532.87
  6. Step 6: Final answer
    x = 1,376,391.50

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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.