Home / 2,998,470.30-4,137,986.84-1,640,343.30

Finding the Fourth Proportional to 2,998,470.30, 4,137,986.84 and 1,640,343.30

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Solution

The fourth proportional to 2,998,470.30, 4,137,986.84 and 1,640,343.30 is: 2,263,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,470.30 : 4,137,986.84 = 1,640,343.30 : x
  2. Step 2: Convert to fraction form
    2,998,470.30/4,137,986.84 = 1,640,343.30/x
  3. Step 3: Cross multiply
    2,998,470.30x = 4,137,986.84 × 1,640,343.30
  4. Step 4: Simplify right side
    2,998,470.30x = 6,787,718,988,482.17
  5. Step 5: Solve for x
    x = 6,787,718,988,482.17/2,998,470.30
  6. Step 6: Final answer
    x = 2,263,727.27

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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.