Home / 6,579,129.20-9,868,693.80-3,219,897.20

Finding the Fourth Proportional to 6,579,129.20, 9,868,693.80 and 3,219,897.20

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Solution

The fourth proportional to 6,579,129.20, 9,868,693.80 and 3,219,897.20 is: 4,829,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579,129.20 : 9,868,693.80 = 3,219,897.20 : x
  2. Step 2: Convert to fraction form
    6,579,129.20/9,868,693.80 = 3,219,897.20/x
  3. Step 3: Cross multiply
    6,579,129.20x = 9,868,693.80 × 3,219,897.20
  4. Step 4: Simplify right side
    6,579,129.20x = 31,776,179,534,277.36
  5. Step 5: Solve for x
    x = 31,776,179,534,277.36/6,579,129.20
  6. Step 6: Final answer
    x = 4,829,845.80

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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.