Home / 2,988,441.87-4,478,551.14-1,280,540.67

Finding the Fourth Proportional to 2,988,441.87, 4,478,551.14 and 1,280,540.67

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Solution

The fourth proportional to 2,988,441.87, 4,478,551.14 and 1,280,540.67 is: 1,919,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,441.87 : 4,478,551.14 = 1,280,540.67 : x
  2. Step 2: Convert to fraction form
    2,988,441.87/4,478,551.14 = 1,280,540.67/x
  3. Step 3: Cross multiply
    2,988,441.87x = 4,478,551.14 × 1,280,540.67
  4. Step 4: Simplify right side
    2,988,441.87x = 5,734,966,877,444.86
  5. Step 5: Solve for x
    x = 5,734,966,877,444.86/2,988,441.87
  6. Step 6: Final answer
    x = 1,919,049.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.