Home / 4,885,435.05-7,328,214.90-1,291,170.93

Finding the Fourth Proportional to 4,885,435.05, 7,328,214.90 and 1,291,170.93

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Solution

The fourth proportional to 4,885,435.05, 7,328,214.90 and 1,291,170.93 is: 1,936,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,435.05 : 7,328,214.90 = 1,291,170.93 : x
  2. Step 2: Convert to fraction form
    4,885,435.05/7,328,214.90 = 1,291,170.93/x
  3. Step 3: Cross multiply
    4,885,435.05x = 7,328,214.90 × 1,291,170.93
  4. Step 4: Simplify right side
    4,885,435.05x = 9,461,978,047,672.86
  5. Step 5: Solve for x
    x = 9,461,978,047,672.86/4,885,435.05
  6. Step 6: Final answer
    x = 1,936,772.87

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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.