Home / 1,856,881.50-2,785,322.28-1,225,647.68

Finding the Fourth Proportional to 1,856,881.50, 2,785,322.28 and 1,225,647.68

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Solution

The fourth proportional to 1,856,881.50, 2,785,322.28 and 1,225,647.68 is: 1,838,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,881.50 : 2,785,322.28 = 1,225,647.68 : x
  2. Step 2: Convert to fraction form
    1,856,881.50/2,785,322.28 = 1,225,647.68/x
  3. Step 3: Cross multiply
    1,856,881.50x = 2,785,322.28 × 1,225,647.68
  4. Step 4: Simplify right side
    1,856,881.50x = 3,413,823,790,534.31
  5. Step 5: Solve for x
    x = 3,413,823,790,534.31/1,856,881.50
  6. Step 6: Final answer
    x = 1,838,471.54

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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.