Home / 2,279,059.16-3,146,070.05-1,420,043.84

Finding the Fourth Proportional to 2,279,059.16, 3,146,070.05 and 1,420,043.84

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Solution

The fourth proportional to 2,279,059.16, 3,146,070.05 and 1,420,043.84 is: 1,960,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,059.16 : 3,146,070.05 = 1,420,043.84 : x
  2. Step 2: Convert to fraction form
    2,279,059.16/3,146,070.05 = 1,420,043.84/x
  3. Step 3: Cross multiply
    2,279,059.16x = 3,146,070.05 × 1,420,043.84
  4. Step 4: Simplify right side
    2,279,059.16x = 4,467,557,371,880.42
  5. Step 5: Solve for x
    x = 4,467,557,371,880.42/2,279,059.16
  6. Step 6: Final answer
    x = 1,960,263.89

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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.