Home / 1,998,352.39-2,757,559.89-1,127,139.07

Finding the Fourth Proportional to 1,998,352.39, 2,757,559.89 and 1,127,139.07

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Solution

The fourth proportional to 1,998,352.39, 2,757,559.89 and 1,127,139.07 is: 1,555,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,352.39 : 2,757,559.89 = 1,127,139.07 : x
  2. Step 2: Convert to fraction form
    1,998,352.39/2,757,559.89 = 1,127,139.07/x
  3. Step 3: Cross multiply
    1,998,352.39x = 2,757,559.89 × 1,127,139.07
  4. Step 4: Simplify right side
    1,998,352.39x = 3,108,153,487,216.77
  5. Step 5: Solve for x
    x = 3,108,153,487,216.77/1,998,352.39
  6. Step 6: Final answer
    x = 1,555,358.06

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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.