Home / 5,380,388.31-8,070,591.13-1,637,061.25

Finding the Fourth Proportional to 5,380,388.31, 8,070,591.13 and 1,637,061.25

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Solution

The fourth proportional to 5,380,388.31, 8,070,591.13 and 1,637,061.25 is: 2,455,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,388.31 : 8,070,591.13 = 1,637,061.25 : x
  2. Step 2: Convert to fraction form
    5,380,388.31/8,070,591.13 = 1,637,061.25/x
  3. Step 3: Cross multiply
    5,380,388.31x = 8,070,591.13 × 1,637,061.25
  4. Step 4: Simplify right side
    5,380,388.31x = 13,212,051,994,379.94
  5. Step 5: Solve for x
    x = 13,212,051,994,379.94/5,380,388.31
  6. Step 6: Final answer
    x = 2,455,594.51

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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.