Home / 2,812,010.65-3,880,555.38-1,522,821.54

Finding the Fourth Proportional to 2,812,010.65, 3,880,555.38 and 1,522,821.54

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Solution

The fourth proportional to 2,812,010.65, 3,880,555.38 and 1,522,821.54 is: 2,101,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,010.65 : 3,880,555.38 = 1,522,821.54 : x
  2. Step 2: Convert to fraction form
    2,812,010.65/3,880,555.38 = 1,522,821.54/x
  3. Step 3: Cross multiply
    2,812,010.65x = 3,880,555.38 × 1,522,821.54
  4. Step 4: Simplify right side
    2,812,010.65x = 5,909,393,316,833.78
  5. Step 5: Solve for x
    x = 5,909,393,316,833.78/2,812,010.65
  6. Step 6: Final answer
    x = 2,101,483.26

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1.5x scale

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.