Home / 6,405,205.20-9,596,143.80-3,031,976.40

Finding the Fourth Proportional to 6,405,205.20, 9,596,143.80 and 3,031,976.40

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Solution

The fourth proportional to 6,405,205.20, 9,596,143.80 and 3,031,976.40 is: 4,542,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,205.20 : 9,596,143.80 = 3,031,976.40 : x
  2. Step 2: Convert to fraction form
    6,405,205.20/9,596,143.80 = 3,031,976.40/x
  3. Step 3: Cross multiply
    6,405,205.20x = 9,596,143.80 × 3,031,976.40
  4. Step 4: Simplify right side
    6,405,205.20x = 29,095,281,532,606.32
  5. Step 5: Solve for x
    x = 29,095,281,532,606.32/6,405,205.20
  6. Step 6: Final answer
    x = 4,542,443.31

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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.