Home / 1,615,079.20-2,422,035.60-816,095.20

Finding the Fourth Proportional to 1,615,079.20, 2,422,035.60 and 816,095.20

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Solution

The fourth proportional to 1,615,079.20, 2,422,035.60 and 816,095.20 is: 1,223,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,079.20 : 2,422,035.60 = 816,095.20 : x
  2. Step 2: Convert to fraction form
    1,615,079.20/2,422,035.60 = 816,095.20/x
  3. Step 3: Cross multiply
    1,615,079.20x = 2,422,035.60 × 816,095.20
  4. Step 4: Simplify right side
    1,615,079.20x = 1,976,611,627,389.12
  5. Step 5: Solve for x
    x = 1,976,611,627,389.12/1,615,079.20
  6. Step 6: Final answer
    x = 1,223,848.11

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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.