Home / 1,909,578.20-2,635,165.35-1,050,138.45

Finding the Fourth Proportional to 1,909,578.20, 2,635,165.35 and 1,050,138.45

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Solution

The fourth proportional to 1,909,578.20, 2,635,165.35 and 1,050,138.45 is: 1,449,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,578.20 : 2,635,165.35 = 1,050,138.45 : x
  2. Step 2: Convert to fraction form
    1,909,578.20/2,635,165.35 = 1,050,138.45/x
  3. Step 3: Cross multiply
    1,909,578.20x = 2,635,165.35 × 1,050,138.45
  4. Step 4: Simplify right side
    1,909,578.20x = 2,767,288,456,142.71
  5. Step 5: Solve for x
    x = 2,767,288,456,142.71/1,909,578.20
  6. Step 6: Final answer
    x = 1,449,162.16

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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.