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Finding the Fourth Proportional to 3,596,656.40, 5,393,429.40 and 1,798,845.20

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Solution

The fourth proportional to 3,596,656.40, 5,393,429.40 and 1,798,845.20 is: 2,697,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596,656.40 : 5,393,429.40 = 1,798,845.20 : x
  2. Step 2: Convert to fraction form
    3,596,656.40/5,393,429.40 = 1,798,845.20/x
  3. Step 3: Cross multiply
    3,596,656.40x = 5,393,429.40 × 1,798,845.20
  4. Step 4: Simplify right side
    3,596,656.40x = 9,701,944,587,728.88
  5. Step 5: Solve for x
    x = 9,701,944,587,728.88/3,596,656.40
  6. Step 6: Final answer
    x = 2,697,489.98

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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.