Home / 2,474,384.86-3,712,158.20-768,440.11

Finding the Fourth Proportional to 2,474,384.86, 3,712,158.20 and 768,440.11

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Solution

The fourth proportional to 2,474,384.86, 3,712,158.20 and 768,440.11 is: 1,152,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474,384.86 : 3,712,158.20 = 768,440.11 : x
  2. Step 2: Convert to fraction form
    2,474,384.86/3,712,158.20 = 768,440.11/x
  3. Step 3: Cross multiply
    2,474,384.86x = 3,712,158.20 × 768,440.11
  4. Step 4: Simplify right side
    2,474,384.86x = 2,852,571,255,146.40
  5. Step 5: Solve for x
    x = 2,852,571,255,146.40/2,474,384.86
  6. Step 6: Final answer
    x = 1,152,840.57

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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.