Home / 1,820,962.37-2,729,666.62-1,180,871.21

Finding the Fourth Proportional to 1,820,962.37, 2,729,666.62 and 1,180,871.21

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Solution

The fourth proportional to 1,820,962.37, 2,729,666.62 and 1,180,871.21 is: 1,770,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,962.37 : 2,729,666.62 = 1,180,871.21 : x
  2. Step 2: Convert to fraction form
    1,820,962.37/2,729,666.62 = 1,180,871.21/x
  3. Step 3: Cross multiply
    1,820,962.37x = 2,729,666.62 × 1,180,871.21
  4. Step 4: Simplify right side
    1,820,962.37x = 3,223,384,732,756.27
  5. Step 5: Solve for x
    x = 3,223,384,732,756.27/1,820,962.37
  6. Step 6: Final answer
    x = 1,770,154.50

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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.