Home / 3,871,470.18-5,342,596.46-2,152,575.66

Finding the Fourth Proportional to 3,871,470.18, 5,342,596.46 and 2,152,575.66

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Solution

The fourth proportional to 3,871,470.18, 5,342,596.46 and 2,152,575.66 is: 2,970,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,470.18 : 5,342,596.46 = 2,152,575.66 : x
  2. Step 2: Convert to fraction form
    3,871,470.18/5,342,596.46 = 2,152,575.66/x
  3. Step 3: Cross multiply
    3,871,470.18x = 5,342,596.46 × 2,152,575.66
  4. Step 4: Simplify right side
    3,871,470.18x = 11,500,343,090,235.29
  5. Step 5: Solve for x
    x = 11,500,343,090,235.29/3,871,470.18
  6. Step 6: Final answer
    x = 2,970,536.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.