Home / 7,261,243.20-10,891,864.80-1,942,459.20

Finding the Fourth Proportional to 7,261,243.20, 10,891,864.80 and 1,942,459.20

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Solution

The fourth proportional to 7,261,243.20, 10,891,864.80 and 1,942,459.20 is: 2,913,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,243.20 : 10,891,864.80 = 1,942,459.20 : x
  2. Step 2: Convert to fraction form
    7,261,243.20/10,891,864.80 = 1,942,459.20/x
  3. Step 3: Cross multiply
    7,261,243.20x = 10,891,864.80 × 1,942,459.20
  4. Step 4: Simplify right side
    7,261,243.20x = 21,157,002,985,916.16
  5. Step 5: Solve for x
    x = 21,157,002,985,916.16/7,261,243.20
  6. Step 6: Final answer
    x = 2,913,688.80

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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.