Home / 2,211,808.19-3,051,678.47-1,426,541.82

Finding the Fourth Proportional to 2,211,808.19, 3,051,678.47 and 1,426,541.82

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Solution

The fourth proportional to 2,211,808.19, 3,051,678.47 and 1,426,541.82 is: 1,968,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,808.19 : 3,051,678.47 = 1,426,541.82 : x
  2. Step 2: Convert to fraction form
    2,211,808.19/3,051,678.47 = 1,426,541.82/x
  3. Step 3: Cross multiply
    2,211,808.19x = 3,051,678.47 × 1,426,541.82
  4. Step 4: Simplify right side
    2,211,808.19x = 4,353,346,951,515.91
  5. Step 5: Solve for x
    x = 4,353,346,951,515.91/2,211,808.19
  6. Step 6: Final answer
    x = 1,968,229.88

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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.