Home / 3,865,686.40-5,334,501.17-2,146,917.63

Finding the Fourth Proportional to 3,865,686.40, 5,334,501.17 and 2,146,917.63

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Solution

The fourth proportional to 3,865,686.40, 5,334,501.17 and 2,146,917.63 is: 2,962,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,686.40 : 5,334,501.17 = 2,146,917.63 : x
  2. Step 2: Convert to fraction form
    3,865,686.40/5,334,501.17 = 2,146,917.63/x
  3. Step 3: Cross multiply
    3,865,686.40x = 5,334,501.17 × 2,146,917.63
  4. Step 4: Simplify right side
    3,865,686.40x = 11,452,734,609,128.63
  5. Step 5: Solve for x
    x = 11,452,734,609,128.63/3,865,686.40
  6. Step 6: Final answer
    x = 2,962,665.21

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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.