Home / 2,618,685.61-3,928,030.62-1,252,137.79

Finding the Fourth Proportional to 2,618,685.61, 3,928,030.62 and 1,252,137.79

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Solution

The fourth proportional to 2,618,685.61, 3,928,030.62 and 1,252,137.79 is: 1,878,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,685.61 : 3,928,030.62 = 1,252,137.79 : x
  2. Step 2: Convert to fraction form
    2,618,685.61/3,928,030.62 = 1,252,137.79/x
  3. Step 3: Cross multiply
    2,618,685.61x = 3,928,030.62 × 1,252,137.79
  4. Step 4: Simplify right side
    2,618,685.61x = 4,918,435,579,579.13
  5. Step 5: Solve for x
    x = 4,918,435,579,579.13/2,618,685.61
  6. Step 6: Final answer
    x = 1,878,207.74

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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.