Home / 1,640,014.20-2,457,947.70-1,461,684.60

Finding the Fourth Proportional to 1,640,014.20, 2,457,947.70 and 1,461,684.60

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Solution

The fourth proportional to 1,640,014.20, 2,457,947.70 and 1,461,684.60 is: 2,190,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,014.20 : 2,457,947.70 = 1,461,684.60 : x
  2. Step 2: Convert to fraction form
    1,640,014.20/2,457,947.70 = 1,461,684.60/x
  3. Step 3: Cross multiply
    1,640,014.20x = 2,457,947.70 × 1,461,684.60
  4. Step 4: Simplify right side
    1,640,014.20x = 3,592,744,300,695.42
  5. Step 5: Solve for x
    x = 3,592,744,300,695.42/1,640,014.20
  6. Step 6: Final answer
    x = 2,190,678.78

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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.