Home / 5,055,354.56-6,974,685.96-2,878,357.66

Finding the Fourth Proportional to 5,055,354.56, 6,974,685.96 and 2,878,357.66

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Solution

The fourth proportional to 5,055,354.56, 6,974,685.96 and 2,878,357.66 is: 3,971,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,354.56 : 6,974,685.96 = 2,878,357.66 : x
  2. Step 2: Convert to fraction form
    5,055,354.56/6,974,685.96 = 2,878,357.66/x
  3. Step 3: Cross multiply
    5,055,354.56x = 6,974,685.96 × 2,878,357.66
  4. Step 4: Simplify right side
    5,055,354.56x = 20,075,640,759,060.45
  5. Step 5: Solve for x
    x = 20,075,640,759,060.45/5,055,354.56
  6. Step 6: Final answer
    x = 3,971,163.75

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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.