Home / 2,909,176.86-4,364,452.17-914,632.86

Finding the Fourth Proportional to 2,909,176.86, 4,364,452.17 and 914,632.86

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Solution

The fourth proportional to 2,909,176.86, 4,364,452.17 and 914,632.86 is: 1,372,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,176.86 : 4,364,452.17 = 914,632.86 : x
  2. Step 2: Convert to fraction form
    2,909,176.86/4,364,452.17 = 914,632.86/x
  3. Step 3: Cross multiply
    2,909,176.86x = 4,364,452.17 × 914,632.86
  4. Step 4: Simplify right side
    2,909,176.86x = 3,991,871,370,580.31
  5. Step 5: Solve for x
    x = 3,991,871,370,580.31/2,909,176.86
  6. Step 6: Final answer
    x = 1,372,165.24

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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.