Home / 2,791,628.87-4,185,155.13-993,488.40

Finding the Fourth Proportional to 2,791,628.87, 4,185,155.13 and 993,488.40

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Solution

The fourth proportional to 2,791,628.87, 4,185,155.13 and 993,488.40 is: 1,489,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,628.87 : 4,185,155.13 = 993,488.40 : x
  2. Step 2: Convert to fraction form
    2,791,628.87/4,185,155.13 = 993,488.40/x
  3. Step 3: Cross multiply
    2,791,628.87x = 4,185,155.13 × 993,488.40
  4. Step 4: Simplify right side
    2,791,628.87x = 4,157,903,073,855.49
  5. Step 5: Solve for x
    x = 4,157,903,073,855.49/2,791,628.87
  6. Step 6: Final answer
    x = 1,489,418.28

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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.