Home / 1,974,701.88-2,963,124.45-838,103.40

Finding the Fourth Proportional to 1,974,701.88, 2,963,124.45 and 838,103.40

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Solution

The fourth proportional to 1,974,701.88, 2,963,124.45 and 838,103.40 is: 1,257,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,701.88 : 2,963,124.45 = 838,103.40 : x
  2. Step 2: Convert to fraction form
    1,974,701.88/2,963,124.45 = 838,103.40/x
  3. Step 3: Cross multiply
    1,974,701.88x = 2,963,124.45 × 838,103.40
  4. Step 4: Simplify right side
    1,974,701.88x = 2,483,404,676,168.13
  5. Step 5: Solve for x
    x = 2,483,404,676,168.13/1,974,701.88
  6. Step 6: Final answer
    x = 1,257,609.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.