Home / 2,880,090.40-4,320,135.60-885,287.20

Finding the Fourth Proportional to 2,880,090.40, 4,320,135.60 and 885,287.20

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Solution

The fourth proportional to 2,880,090.40, 4,320,135.60 and 885,287.20 is: 1,327,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,090.40 : 4,320,135.60 = 885,287.20 : x
  2. Step 2: Convert to fraction form
    2,880,090.40/4,320,135.60 = 885,287.20/x
  3. Step 3: Cross multiply
    2,880,090.40x = 4,320,135.60 × 885,287.20
  4. Step 4: Simplify right side
    2,880,090.40x = 3,824,560,748,944.32
  5. Step 5: Solve for x
    x = 3,824,560,748,944.32/2,880,090.40
  6. Step 6: Final answer
    x = 1,327,930.80

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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.