Home / 2,216,774.40-3,059,182.62-1,298,783.88

Finding the Fourth Proportional to 2,216,774.40, 3,059,182.62 and 1,298,783.88

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Solution

The fourth proportional to 2,216,774.40, 3,059,182.62 and 1,298,783.88 is: 1,792,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,774.40 : 3,059,182.62 = 1,298,783.88 : x
  2. Step 2: Convert to fraction form
    2,216,774.40/3,059,182.62 = 1,298,783.88/x
  3. Step 3: Cross multiply
    2,216,774.40x = 3,059,182.62 × 1,298,783.88
  4. Step 4: Simplify right side
    2,216,774.40x = 3,973,217,072,832.17
  5. Step 5: Solve for x
    x = 3,973,217,072,832.17/2,216,774.40
  6. Step 6: Final answer
    x = 1,792,341.65

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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.