Home / 3,205,921.80-4,810,664.70-1,312,530.60

Finding the Fourth Proportional to 3,205,921.80, 4,810,664.70 and 1,312,530.60

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Solution

The fourth proportional to 3,205,921.80, 4,810,664.70 and 1,312,530.60 is: 1,969,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205,921.80 : 4,810,664.70 = 1,312,530.60 : x
  2. Step 2: Convert to fraction form
    3,205,921.80/4,810,664.70 = 1,312,530.60/x
  3. Step 3: Cross multiply
    3,205,921.80x = 4,810,664.70 × 1,312,530.60
  4. Step 4: Simplify right side
    3,205,921.80x = 6,314,144,625,089.82
  5. Step 5: Solve for x
    x = 6,314,144,625,089.82/3,205,921.80
  6. Step 6: Final answer
    x = 1,969,525.47

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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.