Home / 2,920,493.70-4,378,116.15-1,854,987.30

Finding the Fourth Proportional to 2,920,493.70, 4,378,116.15 and 1,854,987.30

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Solution

The fourth proportional to 2,920,493.70, 4,378,116.15 and 1,854,987.30 is: 2,780,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,493.70 : 4,378,116.15 = 1,854,987.30 : x
  2. Step 2: Convert to fraction form
    2,920,493.70/4,378,116.15 = 1,854,987.30/x
  3. Step 3: Cross multiply
    2,920,493.70x = 4,378,116.15 × 1,854,987.30
  4. Step 4: Simplify right side
    2,920,493.70x = 8,121,349,856,174.90
  5. Step 5: Solve for x
    x = 8,121,349,856,174.90/2,920,493.70
  6. Step 6: Final answer
    x = 2,780,814.03

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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.