Home / 2,159,332.40-3,238,998.60-1,997,130.80

Finding the Fourth Proportional to 2,159,332.40, 3,238,998.60 and 1,997,130.80

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Solution

The fourth proportional to 2,159,332.40, 3,238,998.60 and 1,997,130.80 is: 2,995,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,332.40 : 3,238,998.60 = 1,997,130.80 : x
  2. Step 2: Convert to fraction form
    2,159,332.40/3,238,998.60 = 1,997,130.80/x
  3. Step 3: Cross multiply
    2,159,332.40x = 3,238,998.60 × 1,997,130.80
  4. Step 4: Simplify right side
    2,159,332.40x = 6,468,703,865,216.88
  5. Step 5: Solve for x
    x = 6,468,703,865,216.88/2,159,332.40
  6. Step 6: Final answer
    x = 2,995,696.20

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Similar ratio
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1.5x scale

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.