Home / 2,718,261.48-4,074,845.74-919,885.92

Finding the Fourth Proportional to 2,718,261.48, 4,074,845.74 and 919,885.92

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Solution

The fourth proportional to 2,718,261.48, 4,074,845.74 and 919,885.92 is: 1,378,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,261.48 : 4,074,845.74 = 919,885.92 : x
  2. Step 2: Convert to fraction form
    2,718,261.48/4,074,845.74 = 919,885.92/x
  3. Step 3: Cross multiply
    2,718,261.48x = 4,074,845.74 × 919,885.92
  4. Step 4: Simplify right side
    2,718,261.48x = 3,748,393,204,817.59
  5. Step 5: Solve for x
    x = 3,748,393,204,817.59/2,718,261.48
  6. Step 6: Final answer
    x = 1,378,967.12

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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.