Home / 1,630,221.91-2,457,050.71-1,405,233.12

Finding the Fourth Proportional to 1,630,221.91, 2,457,050.71 and 1,405,233.12

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Solution

The fourth proportional to 1,630,221.91, 2,457,050.71 and 1,405,233.12 is: 2,117,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,221.91 : 2,457,050.71 = 1,405,233.12 : x
  2. Step 2: Convert to fraction form
    1,630,221.91/2,457,050.71 = 1,405,233.12/x
  3. Step 3: Cross multiply
    1,630,221.91x = 2,457,050.71 × 1,405,233.12
  4. Step 4: Simplify right side
    1,630,221.91x = 3,452,729,026,439.34
  5. Step 5: Solve for x
    x = 3,452,729,026,439.34/1,630,221.91
  6. Step 6: Final answer
    x = 2,117,950.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.