Home / 2,991,897.81-4,487,846.72-748,035.81

Finding the Fourth Proportional to 2,991,897.81, 4,487,846.72 and 748,035.81

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Solution

The fourth proportional to 2,991,897.81, 4,487,846.72 and 748,035.81 is: 1,122,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,897.81 : 4,487,846.72 = 748,035.81 : x
  2. Step 2: Convert to fraction form
    2,991,897.81/4,487,846.72 = 748,035.81/x
  3. Step 3: Cross multiply
    2,991,897.81x = 4,487,846.72 × 748,035.81
  4. Step 4: Simplify right side
    2,991,897.81x = 3,357,070,052,610.86
  5. Step 5: Solve for x
    x = 3,357,070,052,610.86/2,991,897.81
  6. Step 6: Final answer
    x = 1,122,053.72

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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.