Home / 2,812,022.25-4,218,752.66-817,478.25

Finding the Fourth Proportional to 2,812,022.25, 4,218,752.66 and 817,478.25

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Solution

The fourth proportional to 2,812,022.25, 4,218,752.66 and 817,478.25 is: 1,226,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,022.25 : 4,218,752.66 = 817,478.25 : x
  2. Step 2: Convert to fraction form
    2,812,022.25/4,218,752.66 = 817,478.25/x
  3. Step 3: Cross multiply
    2,812,022.25x = 4,218,752.66 × 817,478.25
  4. Step 4: Simplify right side
    2,812,022.25x = 3,448,738,537,592.25
  5. Step 5: Solve for x
    x = 3,448,738,537,592.25/2,812,022.25
  6. Step 6: Final answer
    x = 1,226,426.48

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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.