Home / 1,666,840.60-2,500,260.90-1,640,268.55

Finding the Fourth Proportional to 1,666,840.60, 2,500,260.90 and 1,640,268.55

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Solution

The fourth proportional to 1,666,840.60, 2,500,260.90 and 1,640,268.55 is: 2,460,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,840.60 : 2,500,260.90 = 1,640,268.55 : x
  2. Step 2: Convert to fraction form
    1,666,840.60/2,500,260.90 = 1,640,268.55/x
  3. Step 3: Cross multiply
    1,666,840.60x = 2,500,260.90 × 1,640,268.55
  4. Step 4: Simplify right side
    1,666,840.60x = 4,101,099,321,064.70
  5. Step 5: Solve for x
    x = 4,101,099,321,064.70/1,666,840.60
  6. Step 6: Final answer
    x = 2,460,402.83

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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.