Home / 5,078,080.86-7,007,880.54-2,786,240.94

Finding the Fourth Proportional to 5,078,080.86, 7,007,880.54 and 2,786,240.94

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Solution

The fourth proportional to 5,078,080.86, 7,007,880.54 and 2,786,240.94 is: 3,845,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,080.86 : 7,007,880.54 = 2,786,240.94 : x
  2. Step 2: Convert to fraction form
    5,078,080.86/7,007,880.54 = 2,786,240.94/x
  3. Step 3: Cross multiply
    5,078,080.86x = 7,007,880.54 × 2,786,240.94
  4. Step 4: Simplify right side
    5,078,080.86x = 19,525,643,663,177.31
  5. Step 5: Solve for x
    x = 19,525,643,663,177.31/5,078,080.86
  6. Step 6: Final answer
    x = 3,845,083.25

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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.