Home / 5,113,354.53-7,671,249.69-1,918,508.39

Finding the Fourth Proportional to 5,113,354.53, 7,671,249.69 and 1,918,508.39

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Solution

The fourth proportional to 5,113,354.53, 7,671,249.69 and 1,918,508.39 is: 2,878,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,354.53 : 7,671,249.69 = 1,918,508.39 : x
  2. Step 2: Convert to fraction form
    5,113,354.53/7,671,249.69 = 1,918,508.39/x
  3. Step 3: Cross multiply
    5,113,354.53x = 7,671,249.69 × 1,918,508.39
  4. Step 4: Simplify right side
    5,113,354.53x = 14,717,356,892,049.90
  5. Step 5: Solve for x
    x = 14,717,356,892,049.90/5,113,354.53
  6. Step 6: Final answer
    x = 2,878,219.53

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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.