Home / 4,652,115.07-6,978,175.04-1,772,810.50

Finding the Fourth Proportional to 4,652,115.07, 6,978,175.04 and 1,772,810.50

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Solution

The fourth proportional to 4,652,115.07, 6,978,175.04 and 1,772,810.50 is: 2,659,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,115.07 : 6,978,175.04 = 1,772,810.50 : x
  2. Step 2: Convert to fraction form
    4,652,115.07/6,978,175.04 = 1,772,810.50/x
  3. Step 3: Cross multiply
    4,652,115.07x = 6,978,175.04 × 1,772,810.50
  4. Step 4: Simplify right side
    4,652,115.07x = 12,370,981,981,749.92
  5. Step 5: Solve for x
    x = 12,370,981,981,749.92/4,652,115.07
  6. Step 6: Final answer
    x = 2,659,216.68

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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.