Home / 7,041,321.20-10,561,981.80-1,722,537.20

Finding the Fourth Proportional to 7,041,321.20, 10,561,981.80 and 1,722,537.20

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Solution

The fourth proportional to 7,041,321.20, 10,561,981.80 and 1,722,537.20 is: 2,583,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041,321.20 : 10,561,981.80 = 1,722,537.20 : x
  2. Step 2: Convert to fraction form
    7,041,321.20/10,561,981.80 = 1,722,537.20/x
  3. Step 3: Cross multiply
    7,041,321.20x = 10,561,981.80 × 1,722,537.20
  4. Step 4: Simplify right side
    7,041,321.20x = 18,193,406,556,222.96
  5. Step 5: Solve for x
    x = 18,193,406,556,222.96/7,041,321.20
  6. Step 6: Final answer
    x = 2,583,805.80

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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.