Home / 3,995,943-5,514,289.38-2,185,068.12

Finding the Fourth Proportional to 3,995,943, 5,514,289.38 and 2,185,068.12

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Solution

The fourth proportional to 3,995,943, 5,514,289.38 and 2,185,068.12 is: 3,015,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,943 : 5,514,289.38 = 2,185,068.12 : x
  2. Step 2: Convert to fraction form
    3,995,943/5,514,289.38 = 2,185,068.12/x
  3. Step 3: Cross multiply
    3,995,943x = 5,514,289.38 × 2,185,068.12
  4. Step 4: Simplify right side
    3,995,943x = 12,049,097,928,692.57
  5. Step 5: Solve for x
    x = 12,049,097,928,692.57/3,995,943
  6. Step 6: Final answer
    x = 3,015,332.78

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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.