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Finding the Fourth Proportional to 1,815,993.88, 2,506,088.94 and 1,000,216.04

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Solution

The fourth proportional to 1,815,993.88, 2,506,088.94 and 1,000,216.04 is: 1,380,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,993.88 : 2,506,088.94 = 1,000,216.04 : x
  2. Step 2: Convert to fraction form
    1,815,993.88/2,506,088.94 = 1,000,216.04/x
  3. Step 3: Cross multiply
    1,815,993.88x = 2,506,088.94 × 1,000,216.04
  4. Step 4: Simplify right side
    1,815,993.88x = 2,506,630,355,454.60
  5. Step 5: Solve for x
    x = 2,506,630,355,454.60/1,815,993.88
  6. Step 6: Final answer
    x = 1,380,307.71

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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.