Home / 6,128,695.58-9,186,657.33-3,429,062.78

Finding the Fourth Proportional to 6,128,695.58, 9,186,657.33 and 3,429,062.78

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Solution

The fourth proportional to 6,128,695.58, 9,186,657.33 and 3,429,062.78 is: 5,140,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,695.58 : 9,186,657.33 = 3,429,062.78 : x
  2. Step 2: Convert to fraction form
    6,128,695.58/9,186,657.33 = 3,429,062.78/x
  3. Step 3: Cross multiply
    6,128,695.58x = 9,186,657.33 × 3,429,062.78
  4. Step 4: Simplify right side
    6,128,695.58x = 31,501,624,722,917.18
  5. Step 5: Solve for x
    x = 31,501,624,722,917.18/6,128,695.58
  6. Step 6: Final answer
    x = 5,140,021.12

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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.