Home / 1,807,001.60-2,713,612.80-1,278,233.60

Finding the Fourth Proportional to 1,807,001.60, 2,713,612.80 and 1,278,233.60

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Solution

The fourth proportional to 1,807,001.60, 2,713,612.80 and 1,278,233.60 is: 1,919,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,001.60 : 2,713,612.80 = 1,278,233.60 : x
  2. Step 2: Convert to fraction form
    1,807,001.60/2,713,612.80 = 1,278,233.60/x
  3. Step 3: Cross multiply
    1,807,001.60x = 2,713,612.80 × 1,278,233.60
  4. Step 4: Simplify right side
    1,807,001.60x = 3,468,631,058,350.08
  5. Step 5: Solve for x
    x = 3,468,631,058,350.08/1,807,001.60
  6. Step 6: Final answer
    x = 1,919,550.63

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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.