Home / 6,475,321.40-9,715,703.70-3,480,006.20

Finding the Fourth Proportional to 6,475,321.40, 9,715,703.70 and 3,480,006.20

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Solution

The fourth proportional to 6,475,321.40, 9,715,703.70 and 3,480,006.20 is: 5,221,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,321.40 : 9,715,703.70 = 3,480,006.20 : x
  2. Step 2: Convert to fraction form
    6,475,321.40/9,715,703.70 = 3,480,006.20/x
  3. Step 3: Cross multiply
    6,475,321.40x = 9,715,703.70 × 3,480,006.20
  4. Step 4: Simplify right side
    6,475,321.40x = 33,810,709,113,362.94
  5. Step 5: Solve for x
    x = 33,810,709,113,362.94/6,475,321.40
  6. Step 6: Final answer
    x = 5,221,471.96

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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.