Home / 3,618,128.84-5,426,040.90-1,188,718.04

Finding the Fourth Proportional to 3,618,128.84, 5,426,040.90 and 1,188,718.04

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Solution

The fourth proportional to 3,618,128.84, 5,426,040.90 and 1,188,718.04 is: 1,782,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,128.84 : 5,426,040.90 = 1,188,718.04 : x
  2. Step 2: Convert to fraction form
    3,618,128.84/5,426,040.90 = 1,188,718.04/x
  3. Step 3: Cross multiply
    3,618,128.84x = 5,426,040.90 × 1,188,718.04
  4. Step 4: Simplify right side
    3,618,128.84x = 6,450,032,703,607.84
  5. Step 5: Solve for x
    x = 6,450,032,703,607.84/3,618,128.84
  6. Step 6: Final answer
    x = 1,782,698.46

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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.