Home / 2,131,340.40-2,941,211.52-1,164,446.64

Finding the Fourth Proportional to 2,131,340.40, 2,941,211.52 and 1,164,446.64

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Solution

The fourth proportional to 2,131,340.40, 2,941,211.52 and 1,164,446.64 is: 1,606,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,340.40 : 2,941,211.52 = 1,164,446.64 : x
  2. Step 2: Convert to fraction form
    2,131,340.40/2,941,211.52 = 1,164,446.64/x
  3. Step 3: Cross multiply
    2,131,340.40x = 2,941,211.52 × 1,164,446.64
  4. Step 4: Simplify right side
    2,131,340.40x = 3,424,883,871,993.29
  5. Step 5: Solve for x
    x = 3,424,883,871,993.29/2,131,340.40
  6. Step 6: Final answer
    x = 1,606,915.48

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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.