Home / 1,975,335.96-2,960,716.69-908,138.28

Finding the Fourth Proportional to 1,975,335.96, 2,960,716.69 and 908,138.28

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Solution

The fourth proportional to 1,975,335.96, 2,960,716.69 and 908,138.28 is: 1,361,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,335.96 : 2,960,716.69 = 908,138.28 : x
  2. Step 2: Convert to fraction form
    1,975,335.96/2,960,716.69 = 908,138.28/x
  3. Step 3: Cross multiply
    1,975,335.96x = 2,960,716.69 × 908,138.28
  4. Step 4: Simplify right side
    1,975,335.96x = 2,688,740,162,423.89
  5. Step 5: Solve for x
    x = 2,688,740,162,423.89/1,975,335.96
  6. Step 6: Final answer
    x = 1,361,155.88

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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.