Home / 5,728,980.88-7,905,835.74-3,150,661.60

Finding the Fourth Proportional to 5,728,980.88, 7,905,835.74 and 3,150,661.60

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Solution

The fourth proportional to 5,728,980.88, 7,905,835.74 and 3,150,661.60 is: 4,347,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,980.88 : 7,905,835.74 = 3,150,661.60 : x
  2. Step 2: Convert to fraction form
    5,728,980.88/7,905,835.74 = 3,150,661.60/x
  3. Step 3: Cross multiply
    5,728,980.88x = 7,905,835.74 × 3,150,661.60
  4. Step 4: Simplify right side
    5,728,980.88x = 24,908,613,081,925.59
  5. Step 5: Solve for x
    x = 24,908,613,081,925.59/5,728,980.88
  6. Step 6: Final answer
    x = 4,347,826.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.