Home / 5,509,980.20-8,266,136.70-1,671,487.40

Finding the Fourth Proportional to 5,509,980.20, 8,266,136.70 and 1,671,487.40

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Solution

The fourth proportional to 5,509,980.20, 8,266,136.70 and 1,671,487.40 is: 2,507,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,980.20 : 8,266,136.70 = 1,671,487.40 : x
  2. Step 2: Convert to fraction form
    5,509,980.20/8,266,136.70 = 1,671,487.40/x
  3. Step 3: Cross multiply
    5,509,980.20x = 8,266,136.70 × 1,671,487.40
  4. Step 4: Simplify right side
    5,509,980.20x = 13,816,743,340,727.58
  5. Step 5: Solve for x
    x = 13,816,743,340,727.58/5,509,980.20
  6. Step 6: Final answer
    x = 2,507,584.93

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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.