Home / 6,128,695.21-9,186,656.77-3,429,062.41

Finding the Fourth Proportional to 6,128,695.21, 9,186,656.77 and 3,429,062.41

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Solution

The fourth proportional to 6,128,695.21, 9,186,656.77 and 3,429,062.41 is: 5,140,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,695.21 : 9,186,656.77 = 3,429,062.41 : x
  2. Step 2: Convert to fraction form
    6,128,695.21/9,186,656.77 = 3,429,062.41/x
  3. Step 3: Cross multiply
    6,128,695.21x = 9,186,656.77 × 3,429,062.41
  4. Step 4: Simplify right side
    6,128,695.21x = 31,501,619,349,073.07
  5. Step 5: Solve for x
    x = 31,501,619,349,073.07/6,128,695.21
  6. Step 6: Final answer
    x = 5,140,020.56

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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.