Home / 2,715,494.40-4,072,204.80-821,606.40

Finding the Fourth Proportional to 2,715,494.40, 4,072,204.80 and 821,606.40

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Solution

The fourth proportional to 2,715,494.40, 4,072,204.80 and 821,606.40 is: 1,232,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,494.40 : 4,072,204.80 = 821,606.40 : x
  2. Step 2: Convert to fraction form
    2,715,494.40/4,072,204.80 = 821,606.40/x
  3. Step 3: Cross multiply
    2,715,494.40x = 4,072,204.80 × 821,606.40
  4. Step 4: Simplify right side
    2,715,494.40x = 3,345,749,525,790.72
  5. Step 5: Solve for x
    x = 3,345,749,525,790.72/2,715,494.40
  6. Step 6: Final answer
    x = 1,232,095.90

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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.