Home / 2,760,403.40-4,140,734.70-867,206.60

Finding the Fourth Proportional to 2,760,403.40, 4,140,734.70 and 867,206.60

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Solution

The fourth proportional to 2,760,403.40, 4,140,734.70 and 867,206.60 is: 1,300,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,403.40 : 4,140,734.70 = 867,206.60 : x
  2. Step 2: Convert to fraction form
    2,760,403.40/4,140,734.70 = 867,206.60/x
  3. Step 3: Cross multiply
    2,760,403.40x = 4,140,734.70 × 867,206.60
  4. Step 4: Simplify right side
    2,760,403.40x = 3,590,872,460,689.02
  5. Step 5: Solve for x
    x = 3,590,872,460,689.02/2,760,403.40
  6. Step 6: Final answer
    x = 1,300,850.62

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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.