Home / 3,136,384.36-4,704,628.11-861,894.55

Finding the Fourth Proportional to 3,136,384.36, 4,704,628.11 and 861,894.55

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Solution

The fourth proportional to 3,136,384.36, 4,704,628.11 and 861,894.55 is: 1,292,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,384.36 : 4,704,628.11 = 861,894.55 : x
  2. Step 2: Convert to fraction form
    3,136,384.36/4,704,628.11 = 861,894.55/x
  3. Step 3: Cross multiply
    3,136,384.36x = 4,704,628.11 × 861,894.55
  4. Step 4: Simplify right side
    3,136,384.36x = 4,054,893,327,785.80
  5. Step 5: Solve for x
    x = 4,054,893,327,785.80/3,136,384.36
  6. Step 6: Final answer
    x = 1,292,856.00

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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.