Home / 6,328,830.89-8,733,828.57-3,428,221.76

Finding the Fourth Proportional to 6,328,830.89, 8,733,828.57 and 3,428,221.76

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Solution

The fourth proportional to 6,328,830.89, 8,733,828.57 and 3,428,221.76 is: 4,730,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328,830.89 : 8,733,828.57 = 3,428,221.76 : x
  2. Step 2: Convert to fraction form
    6,328,830.89/8,733,828.57 = 3,428,221.76/x
  3. Step 3: Cross multiply
    6,328,830.89x = 8,733,828.57 × 3,428,221.76
  4. Step 4: Simplify right side
    6,328,830.89x = 29,941,501,151,783.68
  5. Step 5: Solve for x
    x = 29,941,501,151,783.68/6,328,830.89
  6. Step 6: Final answer
    x = 4,730,968.75

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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.