Home / 5,709,110.97-7,878,755.76-3,130,785.66

Finding the Fourth Proportional to 5,709,110.97, 7,878,755.76 and 3,130,785.66

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Solution

The fourth proportional to 5,709,110.97, 7,878,755.76 and 3,130,785.66 is: 4,320,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709,110.97 : 7,878,755.76 = 3,130,785.66 : x
  2. Step 2: Convert to fraction form
    5,709,110.97/7,878,755.76 = 3,130,785.66/x
  3. Step 3: Cross multiply
    5,709,110.97x = 7,878,755.76 × 3,130,785.66
  4. Step 4: Simplify right side
    5,709,110.97x = 24,666,695,552,050.40
  5. Step 5: Solve for x
    x = 24,666,695,552,050.40/5,709,110.97
  6. Step 6: Final answer
    x = 4,320,584.36

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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.