Home / 2,126,381.84-3,188,290.01-847,186.50

Finding the Fourth Proportional to 2,126,381.84, 3,188,290.01 and 847,186.50

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Solution

The fourth proportional to 2,126,381.84, 3,188,290.01 and 847,186.50 is: 1,270,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,381.84 : 3,188,290.01 = 847,186.50 : x
  2. Step 2: Convert to fraction form
    2,126,381.84/3,188,290.01 = 847,186.50/x
  3. Step 3: Cross multiply
    2,126,381.84x = 3,188,290.01 × 847,186.50
  4. Step 4: Simplify right side
    2,126,381.84x = 2,701,076,254,556.86
  5. Step 5: Solve for x
    x = 2,701,076,254,556.86/2,126,381.84
  6. Step 6: Final answer
    x = 1,270,268.68

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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.