Home / 2,722,907.40-4,083,923.70-829,208.40

Finding the Fourth Proportional to 2,722,907.40, 4,083,923.70 and 829,208.40

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Solution

The fourth proportional to 2,722,907.40, 4,083,923.70 and 829,208.40 is: 1,243,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,907.40 : 4,083,923.70 = 829,208.40 : x
  2. Step 2: Convert to fraction form
    2,722,907.40/4,083,923.70 = 829,208.40/x
  3. Step 3: Cross multiply
    2,722,907.40x = 4,083,923.70 × 829,208.40
  4. Step 4: Simplify right side
    2,722,907.40x = 3,386,423,836,999.08
  5. Step 5: Solve for x
    x = 3,386,423,836,999.08/2,722,907.40
  6. Step 6: Final answer
    x = 1,243,679.40

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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.