Home / 2,126,331.21-3,189,490.65-528,894.39

Finding the Fourth Proportional to 2,126,331.21, 3,189,490.65 and 528,894.39

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Solution

The fourth proportional to 2,126,331.21, 3,189,490.65 and 528,894.39 is: 793,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,331.21 : 3,189,490.65 = 528,894.39 : x
  2. Step 2: Convert to fraction form
    2,126,331.21/3,189,490.65 = 528,894.39/x
  3. Step 3: Cross multiply
    2,126,331.21x = 3,189,490.65 × 528,894.39
  4. Step 4: Simplify right side
    2,126,331.21x = 1,686,903,711,742.45
  5. Step 5: Solve for x
    x = 1,686,903,711,742.45/2,126,331.21
  6. Step 6: Final answer
    x = 793,340.05

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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.