Home / 2,215,170.40-3,322,582.80-867,071.20

Finding the Fourth Proportional to 2,215,170.40, 3,322,582.80 and 867,071.20

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Solution

The fourth proportional to 2,215,170.40, 3,322,582.80 and 867,071.20 is: 1,300,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,170.40 : 3,322,582.80 = 867,071.20 : x
  2. Step 2: Convert to fraction form
    2,215,170.40/3,322,582.80 = 867,071.20/x
  3. Step 3: Cross multiply
    2,215,170.40x = 3,322,582.80 × 867,071.20
  4. Step 4: Simplify right side
    2,215,170.40x = 2,880,915,855,495.36
  5. Step 5: Solve for x
    x = 2,880,915,855,495.36/2,215,170.40
  6. Step 6: Final answer
    x = 1,300,539.16

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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.