Home / 2,891,792.20-4,336,910.70-1,208,547.40

Finding the Fourth Proportional to 2,891,792.20, 4,336,910.70 and 1,208,547.40

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Solution

The fourth proportional to 2,891,792.20, 4,336,910.70 and 1,208,547.40 is: 1,812,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,792.20 : 4,336,910.70 = 1,208,547.40 : x
  2. Step 2: Convert to fraction form
    2,891,792.20/4,336,910.70 = 1,208,547.40/x
  3. Step 3: Cross multiply
    2,891,792.20x = 4,336,910.70 × 1,208,547.40
  4. Step 4: Simplify right side
    2,891,792.20x = 5,241,362,150,517.18
  5. Step 5: Solve for x
    x = 5,241,362,150,517.18/2,891,792.20
  6. Step 6: Final answer
    x = 1,812,496.12

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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.