Home / 2,877,230-3,970,577.40-1,605,422

Finding the Fourth Proportional to 2,877,230, 3,970,577.40 and 1,605,422

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Solution

The fourth proportional to 2,877,230, 3,970,577.40 and 1,605,422 is: 2,215,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,230 : 3,970,577.40 = 1,605,422 : x
  2. Step 2: Convert to fraction form
    2,877,230/3,970,577.40 = 1,605,422/x
  3. Step 3: Cross multiply
    2,877,230x = 3,970,577.40 × 1,605,422
  4. Step 4: Simplify right side
    2,877,230x = 6,374,452,310,662.80
  5. Step 5: Solve for x
    x = 6,374,452,310,662.80/2,877,230
  6. Step 6: Final answer
    x = 2,215,482.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.