Home / 2,688,136.60-4,032,204.90-693,592.60

Finding the Fourth Proportional to 2,688,136.60, 4,032,204.90 and 693,592.60

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Solution

The fourth proportional to 2,688,136.60, 4,032,204.90 and 693,592.60 is: 1,040,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,136.60 : 4,032,204.90 = 693,592.60 : x
  2. Step 2: Convert to fraction form
    2,688,136.60/4,032,204.90 = 693,592.60/x
  3. Step 3: Cross multiply
    2,688,136.60x = 4,032,204.90 × 693,592.60
  4. Step 4: Simplify right side
    2,688,136.60x = 2,796,707,480,323.74
  5. Step 5: Solve for x
    x = 2,796,707,480,323.74/2,688,136.60
  6. Step 6: Final answer
    x = 1,040,388.90

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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.