Home / 2,078,247.17-3,118,268.75-1,117,579.88

Finding the Fourth Proportional to 2,078,247.17, 3,118,268.75 and 1,117,579.88

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Solution

The fourth proportional to 2,078,247.17, 3,118,268.75 and 1,117,579.88 is: 1,676,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,247.17 : 3,118,268.75 = 1,117,579.88 : x
  2. Step 2: Convert to fraction form
    2,078,247.17/3,118,268.75 = 1,117,579.88/x
  3. Step 3: Cross multiply
    2,078,247.17x = 3,118,268.75 × 1,117,579.88
  4. Step 4: Simplify right side
    2,078,247.17x = 3,484,914,417,640.52
  5. Step 5: Solve for x
    x = 3,484,914,417,640.52/2,078,247.17
  6. Step 6: Final answer
    x = 1,676,852.72

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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.