Home / 2,160,408.60-3,240,612.90-740,478.60

Finding the Fourth Proportional to 2,160,408.60, 3,240,612.90 and 740,478.60

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Solution

The fourth proportional to 2,160,408.60, 3,240,612.90 and 740,478.60 is: 1,110,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,408.60 : 3,240,612.90 = 740,478.60 : x
  2. Step 2: Convert to fraction form
    2,160,408.60/3,240,612.90 = 740,478.60/x
  3. Step 3: Cross multiply
    2,160,408.60x = 3,240,612.90 × 740,478.60
  4. Step 4: Simplify right side
    2,160,408.60x = 2,399,604,503,333.94
  5. Step 5: Solve for x
    x = 2,399,604,503,333.94/2,160,408.60
  6. Step 6: Final answer
    x = 1,110,717.90

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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.