Home / 3,115,747.55-4,302,009.42-2,013,831.02

Finding the Fourth Proportional to 3,115,747.55, 4,302,009.42 and 2,013,831.02

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Solution

The fourth proportional to 3,115,747.55, 4,302,009.42 and 2,013,831.02 is: 2,780,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,747.55 : 4,302,009.42 = 2,013,831.02 : x
  2. Step 2: Convert to fraction form
    3,115,747.55/4,302,009.42 = 2,013,831.02/x
  3. Step 3: Cross multiply
    3,115,747.55x = 4,302,009.42 × 2,013,831.02
  4. Step 4: Simplify right side
    3,115,747.55x = 8,663,520,018,328.21
  5. Step 5: Solve for x
    x = 8,663,520,018,328.21/3,115,747.55
  6. Step 6: Final answer
    x = 2,780,559.04

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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.