Home / 5,380,216.32-8,070,013.44-1,970,803.20

Finding the Fourth Proportional to 5,380,216.32, 8,070,013.44 and 1,970,803.20

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Solution

The fourth proportional to 5,380,216.32, 8,070,013.44 and 1,970,803.20 is: 2,956,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,216.32 : 8,070,013.44 = 1,970,803.20 : x
  2. Step 2: Convert to fraction form
    5,380,216.32/8,070,013.44 = 1,970,803.20/x
  3. Step 3: Cross multiply
    5,380,216.32x = 8,070,013.44 × 1,970,803.20
  4. Step 4: Simplify right side
    5,380,216.32x = 15,904,408,311,595.01
  5. Step 5: Solve for x
    x = 15,904,408,311,595.01/5,380,216.32
  6. Step 6: Final answer
    x = 2,956,090.86

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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.