Home / 5,788,778.76-7,989,005.31-3,211,289.91

Finding the Fourth Proportional to 5,788,778.76, 7,989,005.31 and 3,211,289.91

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Solution

The fourth proportional to 5,788,778.76, 7,989,005.31 and 3,211,289.91 is: 4,431,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788,778.76 : 7,989,005.31 = 3,211,289.91 : x
  2. Step 2: Convert to fraction form
    5,788,778.76/7,989,005.31 = 3,211,289.91/x
  3. Step 3: Cross multiply
    5,788,778.76x = 7,989,005.31 × 3,211,289.91
  4. Step 4: Simplify right side
    5,788,778.76x = 25,655,012,142,939.42
  5. Step 5: Solve for x
    x = 25,655,012,142,939.42/5,788,778.76
  6. Step 6: Final answer
    x = 4,431,852.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.