Home / 2,808,735.78-3,880,023.47-2,235,041.94

Finding the Fourth Proportional to 2,808,735.78, 3,880,023.47 and 2,235,041.94

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Solution

The fourth proportional to 2,808,735.78, 3,880,023.47 and 2,235,041.94 is: 3,087,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,735.78 : 3,880,023.47 = 2,235,041.94 : x
  2. Step 2: Convert to fraction form
    2,808,735.78/3,880,023.47 = 2,235,041.94/x
  3. Step 3: Cross multiply
    2,808,735.78x = 3,880,023.47 × 2,235,041.94
  4. Step 4: Simplify right side
    2,808,735.78x = 8,672,015,207,962.73
  5. Step 5: Solve for x
    x = 8,672,015,207,962.73/2,808,735.78
  6. Step 6: Final answer
    x = 3,087,515.48

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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.