Home / 2,645,276.90-3,650,819.79-1,557,649.67

Finding the Fourth Proportional to 2,645,276.90, 3,650,819.79 and 1,557,649.67

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Solution

The fourth proportional to 2,645,276.90, 3,650,819.79 and 1,557,649.67 is: 2,149,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,276.90 : 3,650,819.79 = 1,557,649.67 : x
  2. Step 2: Convert to fraction form
    2,645,276.90/3,650,819.79 = 1,557,649.67/x
  3. Step 3: Cross multiply
    2,645,276.90x = 3,650,819.79 × 1,557,649.67
  4. Step 4: Simplify right side
    2,645,276.90x = 5,686,698,222,868.87
  5. Step 5: Solve for x
    x = 5,686,698,222,868.87/2,645,276.90
  6. Step 6: Final answer
    x = 2,149,755.37

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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.