Home / 1,820,605.64-2,512,441.11-993,686.81

Finding the Fourth Proportional to 1,820,605.64, 2,512,441.11 and 993,686.81

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Solution

The fourth proportional to 1,820,605.64, 2,512,441.11 and 993,686.81 is: 1,371,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,605.64 : 2,512,441.11 = 993,686.81 : x
  2. Step 2: Convert to fraction form
    1,820,605.64/2,512,441.11 = 993,686.81/x
  3. Step 3: Cross multiply
    1,820,605.64x = 2,512,441.11 × 993,686.81
  4. Step 4: Simplify right side
    1,820,605.64x = 2,496,579,598,682.11
  5. Step 5: Solve for x
    x = 2,496,579,598,682.11/1,820,605.64
  6. Step 6: Final answer
    x = 1,371,290.71

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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.