Home / 1,812,316.80-2,718,388.80-614,121.60

Finding the Fourth Proportional to 1,812,316.80, 2,718,388.80 and 614,121.60

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Solution

The fourth proportional to 1,812,316.80, 2,718,388.80 and 614,121.60 is: 921,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,316.80 : 2,718,388.80 = 614,121.60 : x
  2. Step 2: Convert to fraction form
    1,812,316.80/2,718,388.80 = 614,121.60/x
  3. Step 3: Cross multiply
    1,812,316.80x = 2,718,388.80 × 614,121.60
  4. Step 4: Simplify right side
    1,812,316.80x = 1,669,421,279,278.08
  5. Step 5: Solve for x
    x = 1,669,421,279,278.08/1,812,316.80
  6. Step 6: Final answer
    x = 921,153.12

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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.