Home / 4,374,287.40-6,561,431.10-2,772,091.20

Finding the Fourth Proportional to 4,374,287.40, 6,561,431.10 and 2,772,091.20

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Solution

The fourth proportional to 4,374,287.40, 6,561,431.10 and 2,772,091.20 is: 4,158,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,287.40 : 6,561,431.10 = 2,772,091.20 : x
  2. Step 2: Convert to fraction form
    4,374,287.40/6,561,431.10 = 2,772,091.20/x
  3. Step 3: Cross multiply
    4,374,287.40x = 6,561,431.10 × 2,772,091.20
  4. Step 4: Simplify right side
    4,374,287.40x = 18,188,885,411,716.32
  5. Step 5: Solve for x
    x = 18,188,885,411,716.32/4,374,287.40
  6. Step 6: Final answer
    x = 4,158,136.80

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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.