Home / 1,975,338.46-2,960,720.44-908,140.78

Finding the Fourth Proportional to 1,975,338.46, 2,960,720.44 and 908,140.78

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Solution

The fourth proportional to 1,975,338.46, 2,960,720.44 and 908,140.78 is: 1,361,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,338.46 : 2,960,720.44 = 908,140.78 : x
  2. Step 2: Convert to fraction form
    1,975,338.46/2,960,720.44 = 908,140.78/x
  3. Step 3: Cross multiply
    1,975,338.46x = 2,960,720.44 × 908,140.78
  4. Step 4: Simplify right side
    1,975,338.46x = 2,688,750,969,743.54
  5. Step 5: Solve for x
    x = 2,688,750,969,743.54/1,975,338.46
  6. Step 6: Final answer
    x = 1,361,159.63

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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.