Home / 3,118,486.20-4,677,729.30-1,770,127.80

Finding the Fourth Proportional to 3,118,486.20, 4,677,729.30 and 1,770,127.80

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Solution

The fourth proportional to 3,118,486.20, 4,677,729.30 and 1,770,127.80 is: 2,655,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,486.20 : 4,677,729.30 = 1,770,127.80 : x
  2. Step 2: Convert to fraction form
    3,118,486.20/4,677,729.30 = 1,770,127.80/x
  3. Step 3: Cross multiply
    3,118,486.20x = 4,677,729.30 × 1,770,127.80
  4. Step 4: Simplify right side
    3,118,486.20x = 8,280,178,674,804.54
  5. Step 5: Solve for x
    x = 8,280,178,674,804.54/3,118,486.20
  6. Step 6: Final answer
    x = 2,655,191.70

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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.