Home / 2,187,630.70-3,282,430.20-768,705.10

Finding the Fourth Proportional to 2,187,630.70, 3,282,430.20 and 768,705.10

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Solution

The fourth proportional to 2,187,630.70, 3,282,430.20 and 768,705.10 is: 1,153,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,630.70 : 3,282,430.20 = 768,705.10 : x
  2. Step 2: Convert to fraction form
    2,187,630.70/3,282,430.20 = 768,705.10/x
  3. Step 3: Cross multiply
    2,187,630.70x = 3,282,430.20 × 768,705.10
  4. Step 4: Simplify right side
    2,187,630.70x = 2,523,220,835,134.02
  5. Step 5: Solve for x
    x = 2,523,220,835,134.02/2,187,630.70
  6. Step 6: Final answer
    x = 1,153,403.47

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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.