Home / 2,811,918.64-3,880,428.44-1,522,729.52

Finding the Fourth Proportional to 2,811,918.64, 3,880,428.44 and 1,522,729.52

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Solution

The fourth proportional to 2,811,918.64, 3,880,428.44 and 1,522,729.52 is: 2,101,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,918.64 : 3,880,428.44 = 1,522,729.52 : x
  2. Step 2: Convert to fraction form
    2,811,918.64/3,880,428.44 = 1,522,729.52/x
  3. Step 3: Cross multiply
    2,811,918.64x = 3,880,428.44 × 1,522,729.52
  4. Step 4: Simplify right side
    2,811,918.64x = 5,908,842,935,835.55
  5. Step 5: Solve for x
    x = 5,908,842,935,835.55/2,811,918.64
  6. Step 6: Final answer
    x = 2,101,356.30

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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.