Home / 4,979,238.15-6,872,003.43-2,804,206.50

Finding the Fourth Proportional to 4,979,238.15, 6,872,003.43 and 2,804,206.50

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Solution

The fourth proportional to 4,979,238.15, 6,872,003.43 and 2,804,206.50 is: 3,870,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,238.15 : 6,872,003.43 = 2,804,206.50 : x
  2. Step 2: Convert to fraction form
    4,979,238.15/6,872,003.43 = 2,804,206.50/x
  3. Step 3: Cross multiply
    4,979,238.15x = 6,872,003.43 × 2,804,206.50
  4. Step 4: Simplify right side
    4,979,238.15x = 19,270,516,686,428.29
  5. Step 5: Solve for x
    x = 19,270,516,686,428.29/4,979,238.15
  6. Step 6: Final answer
    x = 3,870,173.73

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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.