Home / 2,109,938.02-3,164,907.07-512,490.34

Finding the Fourth Proportional to 2,109,938.02, 3,164,907.07 and 512,490.34

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Solution

The fourth proportional to 2,109,938.02, 3,164,907.07 and 512,490.34 is: 768,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,938.02 : 3,164,907.07 = 512,490.34 : x
  2. Step 2: Convert to fraction form
    2,109,938.02/3,164,907.07 = 512,490.34/x
  3. Step 3: Cross multiply
    2,109,938.02x = 3,164,907.07 × 512,490.34
  4. Step 4: Simplify right side
    2,109,938.02x = 1,621,984,300,372.70
  5. Step 5: Solve for x
    x = 1,621,984,300,372.70/2,109,938.02
  6. Step 6: Final answer
    x = 768,735.52

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Similar ratio
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1.5x scale

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.