Home / 1,887,522.11-2,605,349.72-1,284,260.03

Finding the Fourth Proportional to 1,887,522.11, 2,605,349.72 and 1,284,260.03

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Solution

The fourth proportional to 1,887,522.11, 2,605,349.72 and 1,284,260.03 is: 1,772,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,522.11 : 2,605,349.72 = 1,284,260.03 : x
  2. Step 2: Convert to fraction form
    1,887,522.11/2,605,349.72 = 1,284,260.03/x
  3. Step 3: Cross multiply
    1,887,522.11x = 2,605,349.72 × 1,284,260.03
  4. Step 4: Simplify right side
    1,887,522.11x = 3,345,946,503,146.39
  5. Step 5: Solve for x
    x = 3,345,946,503,146.39/1,887,522.11
  6. Step 6: Final answer
    x = 1,772,666.12

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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.