Home / 2,052,159.40-3,078,239.10-1,296,332.20

Finding the Fourth Proportional to 2,052,159.40, 3,078,239.10 and 1,296,332.20

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Solution

The fourth proportional to 2,052,159.40, 3,078,239.10 and 1,296,332.20 is: 1,944,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,159.40 : 3,078,239.10 = 1,296,332.20 : x
  2. Step 2: Convert to fraction form
    2,052,159.40/3,078,239.10 = 1,296,332.20/x
  3. Step 3: Cross multiply
    2,052,159.40x = 3,078,239.10 × 1,296,332.20
  4. Step 4: Simplify right side
    2,052,159.40x = 3,990,420,464,629.02
  5. Step 5: Solve for x
    x = 3,990,420,464,629.02/2,052,159.40
  6. Step 6: Final answer
    x = 1,944,498.30

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Double scale
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Similar ratio
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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.