Home / 2,641,590-3,645,394.20-1,434,366

Finding the Fourth Proportional to 2,641,590, 3,645,394.20 and 1,434,366

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Solution

The fourth proportional to 2,641,590, 3,645,394.20 and 1,434,366 is: 1,979,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,590 : 3,645,394.20 = 1,434,366 : x
  2. Step 2: Convert to fraction form
    2,641,590/3,645,394.20 = 1,434,366/x
  3. Step 3: Cross multiply
    2,641,590x = 3,645,394.20 × 1,434,366
  4. Step 4: Simplify right side
    2,641,590x = 5,228,829,497,077.20
  5. Step 5: Solve for x
    x = 5,228,829,497,077.20/2,641,590
  6. Step 6: Final answer
    x = 1,979,425.08

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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.