Home / 2,158,171.20-3,237,256.80-738,014.40

Finding the Fourth Proportional to 2,158,171.20, 3,237,256.80 and 738,014.40

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Solution

The fourth proportional to 2,158,171.20, 3,237,256.80 and 738,014.40 is: 1,107,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,171.20 : 3,237,256.80 = 738,014.40 : x
  2. Step 2: Convert to fraction form
    2,158,171.20/3,237,256.80 = 738,014.40/x
  3. Step 3: Cross multiply
    2,158,171.20x = 3,237,256.80 × 738,014.40
  4. Step 4: Simplify right side
    2,158,171.20x = 2,389,142,134,897.92
  5. Step 5: Solve for x
    x = 2,389,142,134,897.92/2,158,171.20
  6. Step 6: Final answer
    x = 1,107,021.60

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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.