Home / 1,972,809.60-2,953,965.60-1,258,972.80

Finding the Fourth Proportional to 1,972,809.60, 2,953,965.60 and 1,258,972.80

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Solution

The fourth proportional to 1,972,809.60, 2,953,965.60 and 1,258,972.80 is: 1,885,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,809.60 : 2,953,965.60 = 1,258,972.80 : x
  2. Step 2: Convert to fraction form
    1,972,809.60/2,953,965.60 = 1,258,972.80/x
  3. Step 3: Cross multiply
    1,972,809.60x = 2,953,965.60 × 1,258,972.80
  4. Step 4: Simplify right side
    1,972,809.60x = 3,718,962,342,535.68
  5. Step 5: Solve for x
    x = 3,718,962,342,535.68/1,972,809.60
  6. Step 6: Final answer
    x = 1,885,109.61

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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.