Home / 1,998,333.09-2,757,533.04-1,127,119.77

Finding the Fourth Proportional to 1,998,333.09, 2,757,533.04 and 1,127,119.77

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Solution

The fourth proportional to 1,998,333.09, 2,757,533.04 and 1,127,119.77 is: 1,555,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,333.09 : 2,757,533.04 = 1,127,119.77 : x
  2. Step 2: Convert to fraction form
    1,998,333.09/2,757,533.04 = 1,127,119.77/x
  3. Step 3: Cross multiply
    1,998,333.09x = 2,757,533.04 × 1,127,119.77
  4. Step 4: Simplify right side
    1,998,333.09x = 3,108,070,005,812.20
  5. Step 5: Solve for x
    x = 3,108,070,005,812.20/1,998,333.09
  6. Step 6: Final answer
    x = 1,555,331.30

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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.