Home / 2,859,904.12-3,945,707.45-1,619,345.23

Finding the Fourth Proportional to 2,859,904.12, 3,945,707.45 and 1,619,345.23

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Solution

The fourth proportional to 2,859,904.12, 3,945,707.45 and 1,619,345.23 is: 2,234,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,904.12 : 3,945,707.45 = 1,619,345.23 : x
  2. Step 2: Convert to fraction form
    2,859,904.12/3,945,707.45 = 1,619,345.23/x
  3. Step 3: Cross multiply
    2,859,904.12x = 3,945,707.45 × 1,619,345.23
  4. Step 4: Simplify right side
    2,859,904.12x = 6,389,462,538,132.96
  5. Step 5: Solve for x
    x = 6,389,462,538,132.96/2,859,904.12
  6. Step 6: Final answer
    x = 2,234,152.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.