Home / 2,080,909.80-3,121,364.70-1,073,140.20

Finding the Fourth Proportional to 2,080,909.80, 3,121,364.70 and 1,073,140.20

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Solution

The fourth proportional to 2,080,909.80, 3,121,364.70 and 1,073,140.20 is: 1,609,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,909.80 : 3,121,364.70 = 1,073,140.20 : x
  2. Step 2: Convert to fraction form
    2,080,909.80/3,121,364.70 = 1,073,140.20/x
  3. Step 3: Cross multiply
    2,080,909.80x = 3,121,364.70 × 1,073,140.20
  4. Step 4: Simplify right side
    2,080,909.80x = 3,349,661,938,430.94
  5. Step 5: Solve for x
    x = 3,349,661,938,430.94/2,080,909.80
  6. Step 6: Final answer
    x = 1,609,710.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.