Home / 2,177,941.66-3,005,645.24-1,197,971.87

Finding the Fourth Proportional to 2,177,941.66, 3,005,645.24 and 1,197,971.87

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Solution

The fourth proportional to 2,177,941.66, 3,005,645.24 and 1,197,971.87 is: 1,653,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,941.66 : 3,005,645.24 = 1,197,971.87 : x
  2. Step 2: Convert to fraction form
    2,177,941.66/3,005,645.24 = 1,197,971.87/x
  3. Step 3: Cross multiply
    2,177,941.66x = 3,005,645.24 × 1,197,971.87
  4. Step 4: Simplify right side
    2,177,941.66x = 3,600,678,436,686.10
  5. Step 5: Solve for x
    x = 3,600,678,436,686.10/2,177,941.66
  6. Step 6: Final answer
    x = 1,653,248.34

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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.