Home / 2,207,472.70-3,311,209.05-1,640,602.30

Finding the Fourth Proportional to 2,207,472.70, 3,311,209.05 and 1,640,602.30

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Solution

The fourth proportional to 2,207,472.70, 3,311,209.05 and 1,640,602.30 is: 2,460,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,472.70 : 3,311,209.05 = 1,640,602.30 : x
  2. Step 2: Convert to fraction form
    2,207,472.70/3,311,209.05 = 1,640,602.30/x
  3. Step 3: Cross multiply
    2,207,472.70x = 3,311,209.05 × 1,640,602.30
  4. Step 4: Simplify right side
    2,207,472.70x = 5,432,377,183,210.81
  5. Step 5: Solve for x
    x = 5,432,377,183,210.81/2,207,472.70
  6. Step 6: Final answer
    x = 2,460,903.45

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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.