Home / 4,787,107.40-7,185,909.90-2,992,017.80

Finding the Fourth Proportional to 4,787,107.40, 7,185,909.90 and 2,992,017.80

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Solution

The fourth proportional to 4,787,107.40, 7,185,909.90 and 2,992,017.80 is: 4,491,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787,107.40 : 7,185,909.90 = 2,992,017.80 : x
  2. Step 2: Convert to fraction form
    4,787,107.40/7,185,909.90 = 2,992,017.80/x
  3. Step 3: Cross multiply
    4,787,107.40x = 7,185,909.90 × 2,992,017.80
  4. Step 4: Simplify right side
    4,787,107.40x = 21,500,370,329,996.22
  5. Step 5: Solve for x
    x = 21,500,370,329,996.22/4,787,107.40
  6. Step 6: Final answer
    x = 4,491,307.28

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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.