Home / 4,260,555.20-6,390,832.80-3,308,772.80

Finding the Fourth Proportional to 4,260,555.20, 6,390,832.80 and 3,308,772.80

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Solution

The fourth proportional to 4,260,555.20, 6,390,832.80 and 3,308,772.80 is: 4,963,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,555.20 : 6,390,832.80 = 3,308,772.80 : x
  2. Step 2: Convert to fraction form
    4,260,555.20/6,390,832.80 = 3,308,772.80/x
  3. Step 3: Cross multiply
    4,260,555.20x = 6,390,832.80 × 3,308,772.80
  4. Step 4: Simplify right side
    4,260,555.20x = 21,145,813,737,987.84
  5. Step 5: Solve for x
    x = 21,145,813,737,987.84/4,260,555.20
  6. Step 6: Final answer
    x = 4,963,159.20

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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.