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Finding the Fourth Proportional to 1,957,844.79, 2,702,322.41 and 1,337,901.03

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Solution

The fourth proportional to 1,957,844.79, 2,702,322.41 and 1,337,901.03 is: 1,846,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,844.79 : 2,702,322.41 = 1,337,901.03 : x
  2. Step 2: Convert to fraction form
    1,957,844.79/2,702,322.41 = 1,337,901.03/x
  3. Step 3: Cross multiply
    1,957,844.79x = 2,702,322.41 × 1,337,901.03
  4. Step 4: Simplify right side
    1,957,844.79x = 3,615,439,929,041.58
  5. Step 5: Solve for x
    x = 3,615,439,929,041.58/1,957,844.79
  6. Step 6: Final answer
    x = 1,846,642.77

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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.