Home / 2,129,736.77-3,195,538.28-1,118,624.71

Finding the Fourth Proportional to 2,129,736.77, 3,195,538.28 and 1,118,624.71

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Solution

The fourth proportional to 2,129,736.77, 3,195,538.28 and 1,118,624.71 is: 1,678,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,736.77 : 3,195,538.28 = 1,118,624.71 : x
  2. Step 2: Convert to fraction form
    2,129,736.77/3,195,538.28 = 1,118,624.71/x
  3. Step 3: Cross multiply
    2,129,736.77x = 3,195,538.28 × 1,118,624.71
  4. Step 4: Simplify right side
    2,129,736.77x = 3,574,608,060,188.08
  5. Step 5: Solve for x
    x = 3,574,608,060,188.08/2,129,736.77
  6. Step 6: Final answer
    x = 1,678,427.17

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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.