Home / 5,423,784.40-8,135,417.40-1,829,198.80

Finding the Fourth Proportional to 5,423,784.40, 8,135,417.40 and 1,829,198.80

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Solution

The fourth proportional to 5,423,784.40, 8,135,417.40 and 1,829,198.80 is: 2,743,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,784.40 : 8,135,417.40 = 1,829,198.80 : x
  2. Step 2: Convert to fraction form
    5,423,784.40/8,135,417.40 = 1,829,198.80/x
  3. Step 3: Cross multiply
    5,423,784.40x = 8,135,417.40 × 1,829,198.80
  4. Step 4: Simplify right side
    5,423,784.40x = 14,881,295,745,579.12
  5. Step 5: Solve for x
    x = 14,881,295,745,579.12/5,423,784.40
  6. Step 6: Final answer
    x = 2,743,710.78

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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.