Home / 2,815,797.52-3,889,008-1,908,804.88

Finding the Fourth Proportional to 2,815,797.52, 3,889,008 and 1,908,804.88

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Solution

The fourth proportional to 2,815,797.52, 3,889,008 and 1,908,804.88 is: 2,636,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,797.52 : 3,889,008 = 1,908,804.88 : x
  2. Step 2: Convert to fraction form
    2,815,797.52/3,889,008 = 1,908,804.88/x
  3. Step 3: Cross multiply
    2,815,797.52x = 3,889,008 × 1,908,804.88
  4. Step 4: Simplify right side
    2,815,797.52x = 7,423,357,448,759.04
  5. Step 5: Solve for x
    x = 7,423,357,448,759.04/2,815,797.52
  6. Step 6: Final answer
    x = 2,636,325.02

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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.