Home / 5,203,335.87-7,180,423.31-2,880,329.71

Finding the Fourth Proportional to 5,203,335.87, 7,180,423.31 and 2,880,329.71

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Solution

The fourth proportional to 5,203,335.87, 7,180,423.31 and 2,880,329.71 is: 3,974,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203,335.87 : 7,180,423.31 = 2,880,329.71 : x
  2. Step 2: Convert to fraction form
    5,203,335.87/7,180,423.31 = 2,880,329.71/x
  3. Step 3: Cross multiply
    5,203,335.87x = 7,180,423.31 × 2,880,329.71
  4. Step 4: Simplify right side
    5,203,335.87x = 20,681,986,590,169.54
  5. Step 5: Solve for x
    x = 20,681,986,590,169.54/5,203,335.87
  6. Step 6: Final answer
    x = 3,974,755.26

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1.5x scale

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.