Home / 3,615,021.40-5,420,976.90-1,817,210.20

Finding the Fourth Proportional to 3,615,021.40, 5,420,976.90 and 1,817,210.20

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Solution

The fourth proportional to 3,615,021.40, 5,420,976.90 and 1,817,210.20 is: 2,725,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,021.40 : 5,420,976.90 = 1,817,210.20 : x
  2. Step 2: Convert to fraction form
    3,615,021.40/5,420,976.90 = 1,817,210.20/x
  3. Step 3: Cross multiply
    3,615,021.40x = 5,420,976.90 × 1,817,210.20
  4. Step 4: Simplify right side
    3,615,021.40x = 9,851,054,516,644.38
  5. Step 5: Solve for x
    x = 9,851,054,516,644.38/3,615,021.40
  6. Step 6: Final answer
    x = 2,725,033.53

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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.