Home / 2,171,445.95-3,257,192.51-655,142.46

Finding the Fourth Proportional to 2,171,445.95, 3,257,192.51 and 655,142.46

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Solution

The fourth proportional to 2,171,445.95, 3,257,192.51 and 655,142.46 is: 982,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,445.95 : 3,257,192.51 = 655,142.46 : x
  2. Step 2: Convert to fraction form
    2,171,445.95/3,257,192.51 = 655,142.46/x
  3. Step 3: Cross multiply
    2,171,445.95x = 3,257,192.51 × 655,142.46
  4. Step 4: Simplify right side
    2,171,445.95x = 2,133,925,110,419.26
  5. Step 5: Solve for x
    x = 2,133,925,110,419.26/2,171,445.95
  6. Step 6: Final answer
    x = 982,720.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.