Home / 4,912,103.81-7,360,009.94-2,987,192.27

Finding the Fourth Proportional to 4,912,103.81, 7,360,009.94 and 2,987,192.27

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Solution

The fourth proportional to 4,912,103.81, 7,360,009.94 and 2,987,192.27 is: 4,475,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,103.81 : 7,360,009.94 = 2,987,192.27 : x
  2. Step 2: Convert to fraction form
    4,912,103.81/7,360,009.94 = 2,987,192.27/x
  3. Step 3: Cross multiply
    4,912,103.81x = 7,360,009.94 × 2,987,192.27
  4. Step 4: Simplify right side
    4,912,103.81x = 21,985,764,748,155.15
  5. Step 5: Solve for x
    x = 21,985,764,748,155.15/4,912,103.81
  6. Step 6: Final answer
    x = 4,475,834.72

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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.