Home / 5,127,081.30-7,075,359.72-2,950,830

Finding the Fourth Proportional to 5,127,081.30, 7,075,359.72 and 2,950,830

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Solution

The fourth proportional to 5,127,081.30, 7,075,359.72 and 2,950,830 is: 4,072,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,081.30 : 7,075,359.72 = 2,950,830 : x
  2. Step 2: Convert to fraction form
    5,127,081.30/7,075,359.72 = 2,950,830/x
  3. Step 3: Cross multiply
    5,127,081.30x = 7,075,359.72 × 2,950,830
  4. Step 4: Simplify right side
    5,127,081.30x = 20,878,183,722,567.60
  5. Step 5: Solve for x
    x = 20,878,183,722,567.60/5,127,081.30
  6. Step 6: Final answer
    x = 4,072,138.22

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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.