Home / 2,808,772.78-3,878,783.44-2,655,752.95

Finding the Fourth Proportional to 2,808,772.78, 3,878,783.44 and 2,655,752.95

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Solution

The fourth proportional to 2,808,772.78, 3,878,783.44 and 2,655,752.95 is: 3,667,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,772.78 : 3,878,783.44 = 2,655,752.95 : x
  2. Step 2: Convert to fraction form
    2,808,772.78/3,878,783.44 = 2,655,752.95/x
  3. Step 3: Cross multiply
    2,808,772.78x = 3,878,783.44 × 2,655,752.95
  4. Step 4: Simplify right side
    2,808,772.78x = 10,301,090,530,518.46
  5. Step 5: Solve for x
    x = 10,301,090,530,518.46/2,808,772.78
  6. Step 6: Final answer
    x = 3,667,470.22

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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.