Home / 2,276,802.40-3,419,140.20-1,213,920.40

Finding the Fourth Proportional to 2,276,802.40, 3,419,140.20 and 1,213,920.40

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Solution

The fourth proportional to 2,276,802.40, 3,419,140.20 and 1,213,920.40 is: 1,822,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,802.40 : 3,419,140.20 = 1,213,920.40 : x
  2. Step 2: Convert to fraction form
    2,276,802.40/3,419,140.20 = 1,213,920.40/x
  3. Step 3: Cross multiply
    2,276,802.40x = 3,419,140.20 × 1,213,920.40
  4. Step 4: Simplify right side
    2,276,802.40x = 4,150,564,039,240.08
  5. Step 5: Solve for x
    x = 4,150,564,039,240.08/2,276,802.40
  6. Step 6: Final answer
    x = 1,822,979.47

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1.5x scale

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.