Home / 3,678,666.42-5,077,001.49-2,228,319.30

Finding the Fourth Proportional to 3,678,666.42, 5,077,001.49 and 2,228,319.30

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Solution

The fourth proportional to 3,678,666.42, 5,077,001.49 and 2,228,319.30 is: 3,075,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,666.42 : 5,077,001.49 = 2,228,319.30 : x
  2. Step 2: Convert to fraction form
    3,678,666.42/5,077,001.49 = 2,228,319.30/x
  3. Step 3: Cross multiply
    3,678,666.42x = 5,077,001.49 × 2,228,319.30
  4. Step 4: Simplify right side
    3,678,666.42x = 11,313,180,406,295.76
  5. Step 5: Solve for x
    x = 11,313,180,406,295.76/3,678,666.42
  6. Step 6: Final answer
    x = 3,075,348.27

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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.