Home / 2,977,377.40-4,467,378.30-1,379,117.80

Finding the Fourth Proportional to 2,977,377.40, 4,467,378.30 and 1,379,117.80

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Solution

The fourth proportional to 2,977,377.40, 4,467,378.30 and 1,379,117.80 is: 2,069,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,377.40 : 4,467,378.30 = 1,379,117.80 : x
  2. Step 2: Convert to fraction form
    2,977,377.40/4,467,378.30 = 1,379,117.80/x
  3. Step 3: Cross multiply
    2,977,377.40x = 4,467,378.30 × 1,379,117.80
  4. Step 4: Simplify right side
    2,977,377.40x = 6,161,040,932,863.74
  5. Step 5: Solve for x
    x = 6,161,040,932,863.74/2,977,377.40
  6. Step 6: Final answer
    x = 2,069,284.51

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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.