Home / 2,166,638.40-3,247,967.34-746,356.86

Finding the Fourth Proportional to 2,166,638.40, 3,247,967.34 and 746,356.86

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Solution

The fourth proportional to 2,166,638.40, 3,247,967.34 and 746,356.86 is: 1,118,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,638.40 : 3,247,967.34 = 746,356.86 : x
  2. Step 2: Convert to fraction form
    2,166,638.40/3,247,967.34 = 746,356.86/x
  3. Step 3: Cross multiply
    2,166,638.40x = 3,247,967.34 × 746,356.86
  4. Step 4: Simplify right side
    2,166,638.40x = 2,424,142,705,264.95
  5. Step 5: Solve for x
    x = 2,424,142,705,264.95/2,166,638.40
  6. Step 6: Final answer
    x = 1,118,849.69

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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.