Home / 3,865,685.36-5,334,499.68-2,146,916.60

Finding the Fourth Proportional to 3,865,685.36, 5,334,499.68 and 2,146,916.60

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Solution

The fourth proportional to 3,865,685.36, 5,334,499.68 and 2,146,916.60 is: 2,962,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,685.36 : 5,334,499.68 = 2,146,916.60 : x
  2. Step 2: Convert to fraction form
    3,865,685.36/5,334,499.68 = 2,146,916.60/x
  3. Step 3: Cross multiply
    3,865,685.36x = 5,334,499.68 × 2,146,916.60
  4. Step 4: Simplify right side
    3,865,685.36x = 11,452,725,915,686.69
  5. Step 5: Solve for x
    x = 11,452,725,915,686.69/3,865,685.36
  6. Step 6: Final answer
    x = 2,962,663.76

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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.