Home / 3,100,710.60-4,640,006.70-2,149,619.40

Finding the Fourth Proportional to 3,100,710.60, 4,640,006.70 and 2,149,619.40

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Solution

The fourth proportional to 3,100,710.60, 4,640,006.70 and 2,149,619.40 is: 3,216,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,710.60 : 4,640,006.70 = 2,149,619.40 : x
  2. Step 2: Convert to fraction form
    3,100,710.60/4,640,006.70 = 2,149,619.40/x
  3. Step 3: Cross multiply
    3,100,710.60x = 4,640,006.70 × 2,149,619.40
  4. Step 4: Simplify right side
    3,100,710.60x = 9,974,248,418,449.98
  5. Step 5: Solve for x
    x = 9,974,248,418,449.98/3,100,710.60
  6. Step 6: Final answer
    x = 3,216,762.12

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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.