Home / 1,865,915.12-2,575,757.36-1,254,422.54

Finding the Fourth Proportional to 1,865,915.12, 2,575,757.36 and 1,254,422.54

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Solution

The fourth proportional to 1,865,915.12, 2,575,757.36 and 1,254,422.54 is: 1,731,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,915.12 : 2,575,757.36 = 1,254,422.54 : x
  2. Step 2: Convert to fraction form
    1,865,915.12/2,575,757.36 = 1,254,422.54/x
  3. Step 3: Cross multiply
    1,865,915.12x = 2,575,757.36 × 1,254,422.54
  4. Step 4: Simplify right side
    1,865,915.12x = 3,231,088,094,826.26
  5. Step 5: Solve for x
    x = 3,231,088,094,826.26/1,865,915.12
  6. Step 6: Final answer
    x = 1,731,637.23

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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.