Home / 2,065,407.40-3,098,111.10-1,640,254.60

Finding the Fourth Proportional to 2,065,407.40, 3,098,111.10 and 1,640,254.60

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Solution

The fourth proportional to 2,065,407.40, 3,098,111.10 and 1,640,254.60 is: 2,460,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,407.40 : 3,098,111.10 = 1,640,254.60 : x
  2. Step 2: Convert to fraction form
    2,065,407.40/3,098,111.10 = 1,640,254.60/x
  3. Step 3: Cross multiply
    2,065,407.40x = 3,098,111.10 × 1,640,254.60
  4. Step 4: Simplify right side
    2,065,407.40x = 5,081,690,983,086.06
  5. Step 5: Solve for x
    x = 5,081,690,983,086.06/2,065,407.40
  6. Step 6: Final answer
    x = 2,460,381.90

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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.