Home / 2,606,407.20-3,909,902.40-809,276.40

Finding the Fourth Proportional to 2,606,407.20, 3,909,902.40 and 809,276.40

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Solution

The fourth proportional to 2,606,407.20, 3,909,902.40 and 809,276.40 is: 1,214,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,407.20 : 3,909,902.40 = 809,276.40 : x
  2. Step 2: Convert to fraction form
    2,606,407.20/3,909,902.40 = 809,276.40/x
  3. Step 3: Cross multiply
    2,606,407.20x = 3,909,902.40 × 809,276.40
  4. Step 4: Simplify right side
    2,606,407.20x = 3,164,191,738,623.36
  5. Step 5: Solve for x
    x = 3,164,191,738,623.36/2,606,407.20
  6. Step 6: Final answer
    x = 1,214,005.14

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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.