Home / 1,930,748.16-2,896,154.88-668,613.12

Finding the Fourth Proportional to 1,930,748.16, 2,896,154.88 and 668,613.12

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Solution

The fourth proportional to 1,930,748.16, 2,896,154.88 and 668,613.12 is: 1,002,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,748.16 : 2,896,154.88 = 668,613.12 : x
  2. Step 2: Convert to fraction form
    1,930,748.16/2,896,154.88 = 668,613.12/x
  3. Step 3: Cross multiply
    1,930,748.16x = 2,896,154.88 × 668,613.12
  4. Step 4: Simplify right side
    1,930,748.16x = 1,936,407,150,320.03
  5. Step 5: Solve for x
    x = 1,936,407,150,320.03/1,930,748.16
  6. Step 6: Final answer
    x = 1,002,930.98

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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.