Home / 3,319,139.65-4,979,595.43-1,189,439.05

Finding the Fourth Proportional to 3,319,139.65, 4,979,595.43 and 1,189,439.05

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Solution

The fourth proportional to 3,319,139.65, 4,979,595.43 and 1,189,439.05 is: 1,784,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,139.65 : 4,979,595.43 = 1,189,439.05 : x
  2. Step 2: Convert to fraction form
    3,319,139.65/4,979,595.43 = 1,189,439.05/x
  3. Step 3: Cross multiply
    3,319,139.65x = 4,979,595.43 × 1,189,439.05
  4. Step 4: Simplify right side
    3,319,139.65x = 5,922,925,257,643.54
  5. Step 5: Solve for x
    x = 5,922,925,257,643.54/3,319,139.65
  6. Step 6: Final answer
    x = 1,784,476.06

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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.