Home / 5,078,130.24-7,007,948.67-2,786,290.32

Finding the Fourth Proportional to 5,078,130.24, 7,007,948.67 and 2,786,290.32

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Solution

The fourth proportional to 5,078,130.24, 7,007,948.67 and 2,786,290.32 is: 3,845,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,130.24 : 7,007,948.67 = 2,786,290.32 : x
  2. Step 2: Convert to fraction form
    5,078,130.24/7,007,948.67 = 2,786,290.32/x
  3. Step 3: Cross multiply
    5,078,130.24x = 7,007,948.67 × 2,786,290.32
  4. Step 4: Simplify right side
    5,078,130.24x = 19,526,179,542,277.87
  5. Step 5: Solve for x
    x = 19,526,179,542,277.87/5,078,130.24
  6. Step 6: Final answer
    x = 3,845,151.39

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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.