Home / 2,549,208.96-3,517,953.12-1,387,688.61

Finding the Fourth Proportional to 2,549,208.96, 3,517,953.12 and 1,387,688.61

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Solution

The fourth proportional to 2,549,208.96, 3,517,953.12 and 1,387,688.61 is: 1,915,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,208.96 : 3,517,953.12 = 1,387,688.61 : x
  2. Step 2: Convert to fraction form
    2,549,208.96/3,517,953.12 = 1,387,688.61/x
  3. Step 3: Cross multiply
    2,549,208.96x = 3,517,953.12 × 1,387,688.61
  4. Step 4: Simplify right side
    2,549,208.96x = 4,881,823,475,137.96
  5. Step 5: Solve for x
    x = 4,881,823,475,137.96/2,549,208.96
  6. Step 6: Final answer
    x = 1,915,034.64

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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.