Home / 1,615,215.20-2,422,822.80-551,458.40

Finding the Fourth Proportional to 1,615,215.20, 2,422,822.80 and 551,458.40

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Solution

The fourth proportional to 1,615,215.20, 2,422,822.80 and 551,458.40 is: 827,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,215.20 : 2,422,822.80 = 551,458.40 : x
  2. Step 2: Convert to fraction form
    1,615,215.20/2,422,822.80 = 551,458.40/x
  3. Step 3: Cross multiply
    1,615,215.20x = 2,422,822.80 × 551,458.40
  4. Step 4: Simplify right side
    1,615,215.20x = 1,336,085,984,771.52
  5. Step 5: Solve for x
    x = 1,336,085,984,771.52/1,615,215.20
  6. Step 6: Final answer
    x = 827,187.60

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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.