Home / 5,055,121.69-6,974,364.59-2,878,124.51

Finding the Fourth Proportional to 5,055,121.69, 6,974,364.59 and 2,878,124.51

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Solution

The fourth proportional to 5,055,121.69, 6,974,364.59 and 2,878,124.51 is: 3,970,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,121.69 : 6,974,364.59 = 2,878,124.51 : x
  2. Step 2: Convert to fraction form
    5,055,121.69/6,974,364.59 = 2,878,124.51/x
  3. Step 3: Cross multiply
    5,055,121.69x = 6,974,364.59 × 2,878,124.51
  4. Step 4: Simplify right side
    5,055,121.69x = 20,073,089,668,155.10
  5. Step 5: Solve for x
    x = 20,073,089,668,155.10/5,055,121.69
  6. Step 6: Final answer
    x = 3,970,842.03

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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.