Home / 3,417,701.70-5,128,520.85-1,289,313.30

Finding the Fourth Proportional to 3,417,701.70, 5,128,520.85 and 1,289,313.30

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Solution

The fourth proportional to 3,417,701.70, 5,128,520.85 and 1,289,313.30 is: 1,934,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,701.70 : 5,128,520.85 = 1,289,313.30 : x
  2. Step 2: Convert to fraction form
    3,417,701.70/5,128,520.85 = 1,289,313.30/x
  3. Step 3: Cross multiply
    3,417,701.70x = 5,128,520.85 × 1,289,313.30
  4. Step 4: Simplify right side
    3,417,701.70x = 6,612,270,141,232.31
  5. Step 5: Solve for x
    x = 6,612,270,141,232.31/3,417,701.70
  6. Step 6: Final answer
    x = 1,934,712.48

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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.