Home / 3,140,600.72-4,710,805.08-896,742.80

Finding the Fourth Proportional to 3,140,600.72, 4,710,805.08 and 896,742.80

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Solution

The fourth proportional to 3,140,600.72, 4,710,805.08 and 896,742.80 is: 1,345,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,600.72 : 4,710,805.08 = 896,742.80 : x
  2. Step 2: Convert to fraction form
    3,140,600.72/4,710,805.08 = 896,742.80/x
  3. Step 3: Cross multiply
    3,140,600.72x = 4,710,805.08 × 896,742.80
  4. Step 4: Simplify right side
    3,140,600.72x = 4,224,380,537,693.42
  5. Step 5: Solve for x
    x = 4,224,380,537,693.42/3,140,600.72
  6. Step 6: Final answer
    x = 1,345,086.79

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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.