Home / 3,943,139.28-5,441,532.42-2,132,303.28

Finding the Fourth Proportional to 3,943,139.28, 5,441,532.42 and 2,132,303.28

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Solution

The fourth proportional to 3,943,139.28, 5,441,532.42 and 2,132,303.28 is: 2,942,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,139.28 : 5,441,532.42 = 2,132,303.28 : x
  2. Step 2: Convert to fraction form
    3,943,139.28/5,441,532.42 = 2,132,303.28/x
  3. Step 3: Cross multiply
    3,943,139.28x = 5,441,532.42 × 2,132,303.28
  4. Step 4: Simplify right side
    3,943,139.28x = 11,602,997,427,392.34
  5. Step 5: Solve for x
    x = 11,602,997,427,392.34/3,943,139.28
  6. Step 6: Final answer
    x = 2,942,578.64

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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.