Home / 5,686,990.71-8,530,486.08-1,900,473.58

Finding the Fourth Proportional to 5,686,990.71, 8,530,486.08 and 1,900,473.58

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Solution

The fourth proportional to 5,686,990.71, 8,530,486.08 and 1,900,473.58 is: 2,850,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,990.71 : 8,530,486.08 = 1,900,473.58 : x
  2. Step 2: Convert to fraction form
    5,686,990.71/8,530,486.08 = 1,900,473.58/x
  3. Step 3: Cross multiply
    5,686,990.71x = 8,530,486.08 × 1,900,473.58
  4. Step 4: Simplify right side
    5,686,990.71x = 16,211,963,419,597.77
  5. Step 5: Solve for x
    x = 16,211,963,419,597.77/5,686,990.71
  6. Step 6: Final answer
    x = 2,850,710.38

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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.