Home / 3,313,139.90-4,969,709.85-2,118,746.30

Finding the Fourth Proportional to 3,313,139.90, 4,969,709.85 and 2,118,746.30

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Solution

The fourth proportional to 3,313,139.90, 4,969,709.85 and 2,118,746.30 is: 3,178,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,139.90 : 4,969,709.85 = 2,118,746.30 : x
  2. Step 2: Convert to fraction form
    3,313,139.90/4,969,709.85 = 2,118,746.30/x
  3. Step 3: Cross multiply
    3,313,139.90x = 4,969,709.85 × 2,118,746.30
  4. Step 4: Simplify right side
    3,313,139.90x = 10,529,554,356,761.05
  5. Step 5: Solve for x
    x = 10,529,554,356,761.05/3,313,139.90
  6. Step 6: Final answer
    x = 3,178,119.45

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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.