Home / 5,618,122.99-8,427,429.76-1,780,228.25

Finding the Fourth Proportional to 5,618,122.99, 8,427,429.76 and 1,780,228.25

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Solution

The fourth proportional to 5,618,122.99, 8,427,429.76 and 1,780,228.25 is: 2,670,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,122.99 : 8,427,429.76 = 1,780,228.25 : x
  2. Step 2: Convert to fraction form
    5,618,122.99/8,427,429.76 = 1,780,228.25/x
  3. Step 3: Cross multiply
    5,618,122.99x = 8,427,429.76 × 1,780,228.25
  4. Step 4: Simplify right side
    5,618,122.99x = 15,002,748,545,697.94
  5. Step 5: Solve for x
    x = 15,002,748,545,697.94/5,618,122.99
  6. Step 6: Final answer
    x = 2,670,420.10

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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.