Home / 3,226,978.50-4,840,495.44-921,465.66

Finding the Fourth Proportional to 3,226,978.50, 4,840,495.44 and 921,465.66

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Solution

The fourth proportional to 3,226,978.50, 4,840,495.44 and 921,465.66 is: 1,382,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226,978.50 : 4,840,495.44 = 921,465.66 : x
  2. Step 2: Convert to fraction form
    3,226,978.50/4,840,495.44 = 921,465.66/x
  3. Step 3: Cross multiply
    3,226,978.50x = 4,840,495.44 × 921,465.66
  4. Step 4: Simplify right side
    3,226,978.50x = 4,460,350,325,346.59
  5. Step 5: Solve for x
    x = 4,460,350,325,346.59/3,226,978.50
  6. Step 6: Final answer
    x = 1,382,206.40

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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.