Home / 5,152,421.10-7,728,631.65-1,786,968.30

Finding the Fourth Proportional to 5,152,421.10, 7,728,631.65 and 1,786,968.30

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Solution

The fourth proportional to 5,152,421.10, 7,728,631.65 and 1,786,968.30 is: 2,680,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,421.10 : 7,728,631.65 = 1,786,968.30 : x
  2. Step 2: Convert to fraction form
    5,152,421.10/7,728,631.65 = 1,786,968.30/x
  3. Step 3: Cross multiply
    5,152,421.10x = 7,728,631.65 × 1,786,968.30
  4. Step 4: Simplify right side
    5,152,421.10x = 13,810,819,760,926.70
  5. Step 5: Solve for x
    x = 13,810,819,760,926.70/5,152,421.10
  6. Step 6: Final answer
    x = 2,680,452.45

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Similar ratio
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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.