Home / 1,897,729.52-2,618,865.12-1,038,293.20

Finding the Fourth Proportional to 1,897,729.52, 2,618,865.12 and 1,038,293.20

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Solution

The fourth proportional to 1,897,729.52, 2,618,865.12 and 1,038,293.20 is: 1,432,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,729.52 : 2,618,865.12 = 1,038,293.20 : x
  2. Step 2: Convert to fraction form
    1,897,729.52/2,618,865.12 = 1,038,293.20/x
  3. Step 3: Cross multiply
    1,897,729.52x = 2,618,865.12 × 1,038,293.20
  4. Step 4: Simplify right side
    1,897,729.52x = 2,719,149,845,813.18
  5. Step 5: Solve for x
    x = 2,719,149,845,813.18/1,897,729.52
  6. Step 6: Final answer
    x = 1,432,843.73

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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.