Home / 5,185,006.40-7,777,509.60-3,271,818.80

Finding the Fourth Proportional to 5,185,006.40, 7,777,509.60 and 3,271,818.80

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Solution

The fourth proportional to 5,185,006.40, 7,777,509.60 and 3,271,818.80 is: 4,907,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,006.40 : 7,777,509.60 = 3,271,818.80 : x
  2. Step 2: Convert to fraction form
    5,185,006.40/7,777,509.60 = 3,271,818.80/x
  3. Step 3: Cross multiply
    5,185,006.40x = 7,777,509.60 × 3,271,818.80
  4. Step 4: Simplify right side
    5,185,006.40x = 25,446,602,126,460.48
  5. Step 5: Solve for x
    x = 25,446,602,126,460.48/5,185,006.40
  6. Step 6: Final answer
    x = 4,907,728.20

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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.