Home / 2,141,712.75-2,955,535.99-1,223,931.39

Finding the Fourth Proportional to 2,141,712.75, 2,955,535.99 and 1,223,931.39

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Solution

The fourth proportional to 2,141,712.75, 2,955,535.99 and 1,223,931.39 is: 1,689,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,712.75 : 2,955,535.99 = 1,223,931.39 : x
  2. Step 2: Convert to fraction form
    2,141,712.75/2,955,535.99 = 1,223,931.39/x
  3. Step 3: Cross multiply
    2,141,712.75x = 2,955,535.99 × 1,223,931.39
  4. Step 4: Simplify right side
    2,141,712.75x = 3,617,373,272,435.73
  5. Step 5: Solve for x
    x = 3,617,373,272,435.73/2,141,712.75
  6. Step 6: Final answer
    x = 1,689,009.54

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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.