Home / 5,686,989.42-8,530,484.16-1,900,472.30

Finding the Fourth Proportional to 5,686,989.42, 8,530,484.16 and 1,900,472.30

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Solution

The fourth proportional to 5,686,989.42, 8,530,484.16 and 1,900,472.30 is: 2,850,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,989.42 : 8,530,484.16 = 1,900,472.30 : x
  2. Step 2: Convert to fraction form
    5,686,989.42/8,530,484.16 = 1,900,472.30/x
  3. Step 3: Cross multiply
    5,686,989.42x = 8,530,484.16 × 1,900,472.30
  4. Step 4: Simplify right side
    5,686,989.42x = 16,211,948,851,668.77
  5. Step 5: Solve for x
    x = 16,211,948,851,668.77/5,686,989.42
  6. Step 6: Final answer
    x = 2,850,708.46

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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.