Home / 3,131,406.32-4,697,084.64-1,860,819.44

Finding the Fourth Proportional to 3,131,406.32, 4,697,084.64 and 1,860,819.44

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Solution

The fourth proportional to 3,131,406.32, 4,697,084.64 and 1,860,819.44 is: 2,791,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,406.32 : 4,697,084.64 = 1,860,819.44 : x
  2. Step 2: Convert to fraction form
    3,131,406.32/4,697,084.64 = 1,860,819.44/x
  3. Step 3: Cross multiply
    3,131,406.32x = 4,697,084.64 × 1,860,819.44
  4. Step 4: Simplify right side
    3,131,406.32x = 8,740,426,409,437.40
  5. Step 5: Solve for x
    x = 8,740,426,409,437.40/3,131,406.32
  6. Step 6: Final answer
    x = 2,791,214.40

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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.