Home / 4,742,006.90-7,092,015.15-3,986,179.70

Finding the Fourth Proportional to 4,742,006.90, 7,092,015.15 and 3,986,179.70

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Solution

The fourth proportional to 4,742,006.90, 7,092,015.15 and 3,986,179.70 is: 5,961,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,006.90 : 7,092,015.15 = 3,986,179.70 : x
  2. Step 2: Convert to fraction form
    4,742,006.90/7,092,015.15 = 3,986,179.70/x
  3. Step 3: Cross multiply
    4,742,006.90x = 7,092,015.15 × 3,986,179.70
  4. Step 4: Simplify right side
    4,742,006.90x = 28,270,046,823,022.46
  5. Step 5: Solve for x
    x = 28,270,046,823,022.46/4,742,006.90
  6. Step 6: Final answer
    x = 5,961,620.77

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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.