Home / 2,919,071.32-4,378,339.50-2,069,786.32

Finding the Fourth Proportional to 2,919,071.32, 4,378,339.50 and 2,069,786.32

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Solution

The fourth proportional to 2,919,071.32, 4,378,339.50 and 2,069,786.32 is: 3,104,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,071.32 : 4,378,339.50 = 2,069,786.32 : x
  2. Step 2: Convert to fraction form
    2,919,071.32/4,378,339.50 = 2,069,786.32/x
  3. Step 3: Cross multiply
    2,919,071.32x = 4,378,339.50 × 2,069,786.32
  4. Step 4: Simplify right side
    2,919,071.32x = 9,062,227,201,415.64
  5. Step 5: Solve for x
    x = 9,062,227,201,415.64/2,919,071.32
  6. Step 6: Final answer
    x = 3,104,489.82

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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.