Home / 2,126,803.89-3,190,189.43-529,356.21

Finding the Fourth Proportional to 2,126,803.89, 3,190,189.43 and 529,356.21

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Solution

The fourth proportional to 2,126,803.89, 3,190,189.43 and 529,356.21 is: 794,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,803.89 : 3,190,189.43 = 529,356.21 : x
  2. Step 2: Convert to fraction form
    2,126,803.89/3,190,189.43 = 529,356.21/x
  3. Step 3: Cross multiply
    2,126,803.89x = 3,190,189.43 × 529,356.21
  4. Step 4: Simplify right side
    2,126,803.89x = 1,688,746,591,663.04
  5. Step 5: Solve for x
    x = 1,688,746,591,663.04/2,126,803.89
  6. Step 6: Final answer
    x = 794,030.24

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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.