Home / 5,686,955.72-8,530,433.58-1,900,438.60

Finding the Fourth Proportional to 5,686,955.72, 8,530,433.58 and 1,900,438.60

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Solution

The fourth proportional to 5,686,955.72, 8,530,433.58 and 1,900,438.60 is: 2,850,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,955.72 : 8,530,433.58 = 1,900,438.60 : x
  2. Step 2: Convert to fraction form
    5,686,955.72/8,530,433.58 = 1,900,438.60/x
  3. Step 3: Cross multiply
    5,686,955.72x = 8,530,433.58 × 1,900,438.60
  4. Step 4: Simplify right side
    5,686,955.72x = 16,211,565,207,516.02
  5. Step 5: Solve for x
    x = 16,211,565,207,516.02/5,686,955.72
  6. Step 6: Final answer
    x = 2,850,657.89

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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.