Home / 5,172,258.92-7,137,206.31-2,880,632.84

Finding the Fourth Proportional to 5,172,258.92, 7,137,206.31 and 2,880,632.84

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Solution

The fourth proportional to 5,172,258.92, 7,137,206.31 and 2,880,632.84 is: 3,974,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,258.92 : 7,137,206.31 = 2,880,632.84 : x
  2. Step 2: Convert to fraction form
    5,172,258.92/7,137,206.31 = 2,880,632.84/x
  3. Step 3: Cross multiply
    5,172,258.92x = 7,137,206.31 × 2,880,632.84
  4. Step 4: Simplify right side
    5,172,258.92x = 20,559,670,882,441.22
  5. Step 5: Solve for x
    x = 20,559,670,882,441.22/5,172,258.92
  6. Step 6: Final answer
    x = 3,974,988.72

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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.