Home / 1,821,333.18-2,513,443.50-1,005,538.44

Finding the Fourth Proportional to 1,821,333.18, 2,513,443.50 and 1,005,538.44

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Solution

The fourth proportional to 1,821,333.18, 2,513,443.50 and 1,005,538.44 is: 1,387,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,333.18 : 2,513,443.50 = 1,005,538.44 : x
  2. Step 2: Convert to fraction form
    1,821,333.18/2,513,443.50 = 1,005,538.44/x
  3. Step 3: Cross multiply
    1,821,333.18x = 2,513,443.50 × 1,005,538.44
  4. Step 4: Simplify right side
    1,821,333.18x = 2,527,364,056,018.14
  5. Step 5: Solve for x
    x = 2,527,364,056,018.14/1,821,333.18
  6. Step 6: Final answer
    x = 1,387,645.10

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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.