Home / 2,889,616.60-4,335,720.90-997,715.80

Finding the Fourth Proportional to 2,889,616.60, 4,335,720.90 and 997,715.80

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Solution

The fourth proportional to 2,889,616.60, 4,335,720.90 and 997,715.80 is: 1,497,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,616.60 : 4,335,720.90 = 997,715.80 : x
  2. Step 2: Convert to fraction form
    2,889,616.60/4,335,720.90 = 997,715.80/x
  3. Step 3: Cross multiply
    2,889,616.60x = 4,335,720.90 × 997,715.80
  4. Step 4: Simplify right side
    2,889,616.60x = 4,325,817,246,320.22
  5. Step 5: Solve for x
    x = 4,325,817,246,320.22/2,889,616.60
  6. Step 6: Final answer
    x = 1,497,021.18

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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.