Home / 3,623,944.80-5,000,916.24-1,992,340.20

Finding the Fourth Proportional to 3,623,944.80, 5,000,916.24 and 1,992,340.20

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Solution

The fourth proportional to 3,623,944.80, 5,000,916.24 and 1,992,340.20 is: 2,749,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,944.80 : 5,000,916.24 = 1,992,340.20 : x
  2. Step 2: Convert to fraction form
    3,623,944.80/5,000,916.24 = 1,992,340.20/x
  3. Step 3: Cross multiply
    3,623,944.80x = 5,000,916.24 × 1,992,340.20
  4. Step 4: Simplify right side
    3,623,944.80x = 9,963,526,461,784.85
  5. Step 5: Solve for x
    x = 9,963,526,461,784.85/3,623,944.80
  6. Step 6: Final answer
    x = 2,749,359.33

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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.