Home / 2,833,950.78-3,911,397.93-1,965,143.16

Finding the Fourth Proportional to 2,833,950.78, 3,911,397.93 and 1,965,143.16

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Solution

The fourth proportional to 2,833,950.78, 3,911,397.93 and 1,965,143.16 is: 2,712,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833,950.78 : 3,911,397.93 = 1,965,143.16 : x
  2. Step 2: Convert to fraction form
    2,833,950.78/3,911,397.93 = 1,965,143.16/x
  3. Step 3: Cross multiply
    2,833,950.78x = 3,911,397.93 × 1,965,143.16
  4. Step 4: Simplify right side
    2,833,950.78x = 7,686,456,888,177.66
  5. Step 5: Solve for x
    x = 7,686,456,888,177.66/2,833,950.78
  6. Step 6: Final answer
    x = 2,712,276.07

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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.