Home / 2,126,809.70-3,190,506.15-706,717.70

Finding the Fourth Proportional to 2,126,809.70, 3,190,506.15 and 706,717.70

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Solution

The fourth proportional to 2,126,809.70, 3,190,506.15 and 706,717.70 is: 1,060,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,809.70 : 3,190,506.15 = 706,717.70 : x
  2. Step 2: Convert to fraction form
    2,126,809.70/3,190,506.15 = 706,717.70/x
  3. Step 3: Cross multiply
    2,126,809.70x = 3,190,506.15 × 706,717.70
  4. Step 4: Simplify right side
    2,126,809.70x = 2,254,787,168,163.86
  5. Step 5: Solve for x
    x = 2,254,787,168,163.86/2,126,809.70
  6. Step 6: Final answer
    x = 1,060,173.45

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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.