Home / 1,827,824.64-2,520,712.32-1,253,852.16

Finding the Fourth Proportional to 1,827,824.64, 2,520,712.32 and 1,253,852.16

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Solution

The fourth proportional to 1,827,824.64, 2,520,712.32 and 1,253,852.16 is: 1,729,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,824.64 : 2,520,712.32 = 1,253,852.16 : x
  2. Step 2: Convert to fraction form
    1,827,824.64/2,520,712.32 = 1,253,852.16/x
  3. Step 3: Cross multiply
    1,827,824.64x = 2,520,712.32 × 1,253,852.16
  4. Step 4: Simplify right side
    1,827,824.64x = 3,160,600,587,170.61
  5. Step 5: Solve for x
    x = 3,160,600,587,170.61/1,827,824.64
  6. Step 6: Final answer
    x = 1,729,159.63

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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.