Home / 2,240,411.70-3,360,617.55-1,279,881.30

Finding the Fourth Proportional to 2,240,411.70, 3,360,617.55 and 1,279,881.30

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Solution

The fourth proportional to 2,240,411.70, 3,360,617.55 and 1,279,881.30 is: 1,919,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,411.70 : 3,360,617.55 = 1,279,881.30 : x
  2. Step 2: Convert to fraction form
    2,240,411.70/3,360,617.55 = 1,279,881.30/x
  3. Step 3: Cross multiply
    2,240,411.70x = 3,360,617.55 × 1,279,881.30
  4. Step 4: Simplify right side
    2,240,411.70x = 4,301,191,558,696.82
  5. Step 5: Solve for x
    x = 4,301,191,558,696.82/2,240,411.70
  6. Step 6: Final answer
    x = 1,919,821.95

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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.