Home / 3,943,724.25-5,442,339.51-2,132,888.25

Finding the Fourth Proportional to 3,943,724.25, 5,442,339.51 and 2,132,888.25

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Solution

The fourth proportional to 3,943,724.25, 5,442,339.51 and 2,132,888.25 is: 2,943,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,724.25 : 5,442,339.51 = 2,132,888.25 : x
  2. Step 2: Convert to fraction form
    3,943,724.25/5,442,339.51 = 2,132,888.25/x
  3. Step 3: Cross multiply
    3,943,724.25x = 5,442,339.51 × 2,132,888.25
  4. Step 4: Simplify right side
    3,943,724.25x = 11,607,901,993,389.76
  5. Step 5: Solve for x
    x = 11,607,901,993,389.76/3,943,724.25
  6. Step 6: Final answer
    x = 2,943,385.81

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Double scale
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1.5x scale

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.