Home / 1,975,337.21-2,960,718.57-908,139.53

Finding the Fourth Proportional to 1,975,337.21, 2,960,718.57 and 908,139.53

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Solution

The fourth proportional to 1,975,337.21, 2,960,718.57 and 908,139.53 is: 1,361,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,337.21 : 2,960,718.57 = 908,139.53 : x
  2. Step 2: Convert to fraction form
    1,975,337.21/2,960,718.57 = 908,139.53/x
  3. Step 3: Cross multiply
    1,975,337.21x = 2,960,718.57 × 908,139.53
  4. Step 4: Simplify right side
    1,975,337.21x = 2,688,745,555,818.48
  5. Step 5: Solve for x
    x = 2,688,745,555,818.48/1,975,337.21
  6. Step 6: Final answer
    x = 1,361,157.76

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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.