Home / 4,785,777.90-7,174,125.99-1,908,913.86

Finding the Fourth Proportional to 4,785,777.90, 7,174,125.99 and 1,908,913.86

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Solution

The fourth proportional to 4,785,777.90, 7,174,125.99 and 1,908,913.86 is: 2,861,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,777.90 : 7,174,125.99 = 1,908,913.86 : x
  2. Step 2: Convert to fraction form
    4,785,777.90/7,174,125.99 = 1,908,913.86/x
  3. Step 3: Cross multiply
    4,785,777.90x = 7,174,125.99 × 1,908,913.86
  4. Step 4: Simplify right side
    4,785,777.90x = 13,694,788,535,697.22
  5. Step 5: Solve for x
    x = 13,694,788,535,697.22/4,785,777.90
  6. Step 6: Final answer
    x = 2,861,559.57

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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.