Home / 5,429,254.40-8,144,882.76-1,786,189.40

Finding the Fourth Proportional to 5,429,254.40, 8,144,882.76 and 1,786,189.40

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Solution

The fourth proportional to 5,429,254.40, 8,144,882.76 and 1,786,189.40 is: 2,679,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,254.40 : 8,144,882.76 = 1,786,189.40 : x
  2. Step 2: Convert to fraction form
    5,429,254.40/8,144,882.76 = 1,786,189.40/x
  3. Step 3: Cross multiply
    5,429,254.40x = 8,144,882.76 × 1,786,189.40
  4. Step 4: Simplify right side
    5,429,254.40x = 14,548,303,250,154.74
  5. Step 5: Solve for x
    x = 14,548,303,250,154.74/5,429,254.40
  6. Step 6: Final answer
    x = 2,679,613.48

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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.