Home / 2,040,431.64-2,815,737.58-1,122,661.40

Finding the Fourth Proportional to 2,040,431.64, 2,815,737.58 and 1,122,661.40

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Solution

The fourth proportional to 2,040,431.64, 2,815,737.58 and 1,122,661.40 is: 1,549,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,431.64 : 2,815,737.58 = 1,122,661.40 : x
  2. Step 2: Convert to fraction form
    2,040,431.64/2,815,737.58 = 1,122,661.40/x
  3. Step 3: Cross multiply
    2,040,431.64x = 2,815,737.58 × 1,122,661.40
  4. Step 4: Simplify right side
    2,040,431.64x = 3,161,119,893,595.41
  5. Step 5: Solve for x
    x = 3,161,119,893,595.41/2,040,431.64
  6. Step 6: Final answer
    x = 1,549,240.77

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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.