Home / 6,319,195.53-8,720,404.43-3,528,361.86

Finding the Fourth Proportional to 6,319,195.53, 8,720,404.43 and 3,528,361.86

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Solution

The fourth proportional to 6,319,195.53, 8,720,404.43 and 3,528,361.86 is: 4,869,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319,195.53 : 8,720,404.43 = 3,528,361.86 : x
  2. Step 2: Convert to fraction form
    6,319,195.53/8,720,404.43 = 3,528,361.86/x
  3. Step 3: Cross multiply
    6,319,195.53x = 8,720,404.43 × 3,528,361.86
  4. Step 4: Simplify right side
    6,319,195.53x = 30,768,742,376,945.23
  5. Step 5: Solve for x
    x = 30,768,742,376,945.23/6,319,195.53
  6. Step 6: Final answer
    x = 4,869,091.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.