Home / 2,828,271.62-4,242,428.96-806,513.82

Finding the Fourth Proportional to 2,828,271.62, 4,242,428.96 and 806,513.82

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Solution

The fourth proportional to 2,828,271.62, 4,242,428.96 and 806,513.82 is: 1,209,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,271.62 : 4,242,428.96 = 806,513.82 : x
  2. Step 2: Convert to fraction form
    2,828,271.62/4,242,428.96 = 806,513.82/x
  3. Step 3: Cross multiply
    2,828,271.62x = 4,242,428.96 × 806,513.82
  4. Step 4: Simplify right side
    2,828,271.62x = 3,421,577,580,866.70
  5. Step 5: Solve for x
    x = 3,421,577,580,866.70/2,828,271.62
  6. Step 6: Final answer
    x = 1,209,776.87

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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.