Home / 2,103,999.15-3,155,998.73-684,101.55

Finding the Fourth Proportional to 2,103,999.15, 3,155,998.73 and 684,101.55

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Solution

The fourth proportional to 2,103,999.15, 3,155,998.73 and 684,101.55 is: 1,026,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,999.15 : 3,155,998.73 = 684,101.55 : x
  2. Step 2: Convert to fraction form
    2,103,999.15/3,155,998.73 = 684,101.55/x
  3. Step 3: Cross multiply
    2,103,999.15x = 3,155,998.73 × 684,101.55
  4. Step 4: Simplify right side
    2,103,999.15x = 2,159,023,619,570.52
  5. Step 5: Solve for x
    x = 2,159,023,619,570.52/2,103,999.15
  6. Step 6: Final answer
    x = 1,026,152.33

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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.