Home / 2,791,817.20-4,187,725.80-1,835,223.40

Finding the Fourth Proportional to 2,791,817.20, 4,187,725.80 and 1,835,223.40

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Solution

The fourth proportional to 2,791,817.20, 4,187,725.80 and 1,835,223.40 is: 2,752,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,817.20 : 4,187,725.80 = 1,835,223.40 : x
  2. Step 2: Convert to fraction form
    2,791,817.20/4,187,725.80 = 1,835,223.40/x
  3. Step 3: Cross multiply
    2,791,817.20x = 4,187,725.80 × 1,835,223.40
  4. Step 4: Simplify right side
    2,791,817.20x = 7,685,412,380,943.72
  5. Step 5: Solve for x
    x = 7,685,412,380,943.72/2,791,817.20
  6. Step 6: Final answer
    x = 2,752,835.10

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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.