Home / 3,957,341.80-5,934,047.10-1,261,316.20

Finding the Fourth Proportional to 3,957,341.80, 5,934,047.10 and 1,261,316.20

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Solution

The fourth proportional to 3,957,341.80, 5,934,047.10 and 1,261,316.20 is: 1,891,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,341.80 : 5,934,047.10 = 1,261,316.20 : x
  2. Step 2: Convert to fraction form
    3,957,341.80/5,934,047.10 = 1,261,316.20/x
  3. Step 3: Cross multiply
    3,957,341.80x = 5,934,047.10 × 1,261,316.20
  4. Step 4: Simplify right side
    3,957,341.80x = 7,484,709,738,793.02
  5. Step 5: Solve for x
    x = 7,484,709,738,793.02/3,957,341.80
  6. Step 6: Final answer
    x = 1,891,347.81

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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.