Home / 3,991,807.91-5,508,696.93-2,156,266.10

Finding the Fourth Proportional to 3,991,807.91, 5,508,696.93 and 2,156,266.10

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Solution

The fourth proportional to 3,991,807.91, 5,508,696.93 and 2,156,266.10 is: 2,975,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,807.91 : 5,508,696.93 = 2,156,266.10 : x
  2. Step 2: Convert to fraction form
    3,991,807.91/5,508,696.93 = 2,156,266.10/x
  3. Step 3: Cross multiply
    3,991,807.91x = 5,508,696.93 × 2,156,266.10
  4. Step 4: Simplify right side
    3,991,807.91x = 11,878,216,417,789.59
  5. Step 5: Solve for x
    x = 11,878,216,417,789.59/3,991,807.91
  6. Step 6: Final answer
    x = 2,975,648.30

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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.