Home / 1,909,385.66-2,635,019.85-1,050,011.30

Finding the Fourth Proportional to 1,909,385.66, 2,635,019.85 and 1,050,011.30

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Solution

The fourth proportional to 1,909,385.66, 2,635,019.85 and 1,050,011.30 is: 1,449,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,385.66 : 2,635,019.85 = 1,050,011.30 : x
  2. Step 2: Convert to fraction form
    1,909,385.66/2,635,019.85 = 1,050,011.30/x
  3. Step 3: Cross multiply
    1,909,385.66x = 2,635,019.85 × 1,050,011.30
  4. Step 4: Simplify right side
    1,909,385.66x = 2,766,800,618,224.31
  5. Step 5: Solve for x
    x = 2,766,800,618,224.31/1,909,385.66
  6. Step 6: Final answer
    x = 1,449,052.79

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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.