Home / 5,078,130.74-7,007,949.36-2,786,290.82

Finding the Fourth Proportional to 5,078,130.74, 7,007,949.36 and 2,786,290.82

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Solution

The fourth proportional to 5,078,130.74, 7,007,949.36 and 2,786,290.82 is: 3,845,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,130.74 : 7,007,949.36 = 2,786,290.82 : x
  2. Step 2: Convert to fraction form
    5,078,130.74/7,007,949.36 = 2,786,290.82/x
  3. Step 3: Cross multiply
    5,078,130.74x = 7,007,949.36 × 2,786,290.82
  4. Step 4: Simplify right side
    5,078,130.74x = 19,526,184,968,792.88
  5. Step 5: Solve for x
    x = 19,526,184,968,792.88/5,078,130.74
  6. Step 6: Final answer
    x = 3,845,152.08

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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.