Home / 1,822,864.83-2,515,604.21-1,007,121.12

Finding the Fourth Proportional to 1,822,864.83, 2,515,604.21 and 1,007,121.12

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Solution

The fourth proportional to 1,822,864.83, 2,515,604.21 and 1,007,121.12 is: 1,389,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,864.83 : 2,515,604.21 = 1,007,121.12 : x
  2. Step 2: Convert to fraction form
    1,822,864.83/2,515,604.21 = 1,007,121.12/x
  3. Step 3: Cross multiply
    1,822,864.83x = 2,515,604.21 × 1,007,121.12
  4. Step 4: Simplify right side
    1,822,864.83x = 2,533,518,129,451.92
  5. Step 5: Solve for x
    x = 2,533,518,129,451.92/1,822,864.83
  6. Step 6: Final answer
    x = 1,389,855.18

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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.