Home / 5,055,742.08-6,976,422.72-2,880,155.57

Finding the Fourth Proportional to 5,055,742.08, 6,976,422.72 and 2,880,155.57

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Solution

The fourth proportional to 5,055,742.08, 6,976,422.72 and 2,880,155.57 is: 3,974,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,742.08 : 6,976,422.72 = 2,880,155.57 : x
  2. Step 2: Convert to fraction form
    5,055,742.08/6,976,422.72 = 2,880,155.57/x
  3. Step 3: Cross multiply
    5,055,742.08x = 6,976,422.72 × 2,880,155.57
  4. Step 4: Simplify right side
    5,055,742.08x = 20,093,182,720,800.44
  5. Step 5: Solve for x
    x = 20,093,182,720,800.44/5,055,742.08
  6. Step 6: Final answer
    x = 3,974,329.07

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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.