Home / 2,279,060.40-3,146,071.78-1,420,045.08

Finding the Fourth Proportional to 2,279,060.40, 3,146,071.78 and 1,420,045.08

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Solution

The fourth proportional to 2,279,060.40, 3,146,071.78 and 1,420,045.08 is: 1,960,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,060.40 : 3,146,071.78 = 1,420,045.08 : x
  2. Step 2: Convert to fraction form
    2,279,060.40/3,146,071.78 = 1,420,045.08/x
  3. Step 3: Cross multiply
    2,279,060.40x = 3,146,071.78 × 1,420,045.08
  4. Step 4: Simplify right side
    2,279,060.40x = 4,467,563,752,515.84
  5. Step 5: Solve for x
    x = 4,467,563,752,515.84/2,279,060.40
  6. Step 6: Final answer
    x = 1,960,265.62

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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.