Home / 2,800,821.73-3,865,502.31-1,577,366.43

Finding the Fourth Proportional to 2,800,821.73, 3,865,502.31 and 1,577,366.43

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Solution

The fourth proportional to 2,800,821.73, 3,865,502.31 and 1,577,366.43 is: 2,176,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,821.73 : 3,865,502.31 = 1,577,366.43 : x
  2. Step 2: Convert to fraction form
    2,800,821.73/3,865,502.31 = 1,577,366.43/x
  3. Step 3: Cross multiply
    2,800,821.73x = 3,865,502.31 × 1,577,366.43
  4. Step 4: Simplify right side
    2,800,821.73x = 6,097,313,578,881.45
  5. Step 5: Solve for x
    x = 6,097,313,578,881.45/2,800,821.73
  6. Step 6: Final answer
    x = 2,176,973.11

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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.