Home / 3,834,809.72-5,292,148.20-2,116,040.92

Finding the Fourth Proportional to 3,834,809.72, 5,292,148.20 and 2,116,040.92

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Solution

The fourth proportional to 3,834,809.72, 5,292,148.20 and 2,116,040.92 is: 2,920,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,809.72 : 5,292,148.20 = 2,116,040.92 : x
  2. Step 2: Convert to fraction form
    3,834,809.72/5,292,148.20 = 2,116,040.92/x
  3. Step 3: Cross multiply
    3,834,809.72x = 5,292,148.20 × 2,116,040.92
  4. Step 4: Simplify right side
    3,834,809.72x = 11,198,402,145,904.34
  5. Step 5: Solve for x
    x = 11,198,402,145,904.34/3,834,809.72
  6. Step 6: Final answer
    x = 2,920,197.60

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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.