Home / 2,120,845.80-3,176,603.10-1,884,455.40

Finding the Fourth Proportional to 2,120,845.80, 3,176,603.10 and 1,884,455.40

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Solution

The fourth proportional to 2,120,845.80, 3,176,603.10 and 1,884,455.40 is: 2,822,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,845.80 : 3,176,603.10 = 1,884,455.40 : x
  2. Step 2: Convert to fraction form
    2,120,845.80/3,176,603.10 = 1,884,455.40/x
  3. Step 3: Cross multiply
    2,120,845.80x = 3,176,603.10 × 1,884,455.40
  4. Step 4: Simplify right side
    2,120,845.80x = 5,986,166,865,451.74
  5. Step 5: Solve for x
    x = 5,986,166,865,451.74/2,120,845.80
  6. Step 6: Final answer
    x = 2,822,537.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.