Home / 1,510,635.60-2,085,117.35-987,422.24

Finding the Fourth Proportional to 1,510,635.60, 2,085,117.35 and 987,422.24

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Solution

The fourth proportional to 1,510,635.60, 2,085,117.35 and 987,422.24 is: 1,362,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,635.60 : 2,085,117.35 = 987,422.24 : x
  2. Step 2: Convert to fraction form
    1,510,635.60/2,085,117.35 = 987,422.24/x
  3. Step 3: Cross multiply
    1,510,635.60x = 2,085,117.35 × 987,422.24
  4. Step 4: Simplify right side
    1,510,635.60x = 2,058,891,244,675.55
  5. Step 5: Solve for x
    x = 2,058,891,244,675.55/1,510,635.60
  6. Step 6: Final answer
    x = 1,362,930.44

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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.