Home / 4,079,957.20-6,121,442.40-1,684,009.60

Finding the Fourth Proportional to 4,079,957.20, 6,121,442.40 and 1,684,009.60

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Solution

The fourth proportional to 4,079,957.20, 6,121,442.40 and 1,684,009.60 is: 2,526,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079,957.20 : 6,121,442.40 = 1,684,009.60 : x
  2. Step 2: Convert to fraction form
    4,079,957.20/6,121,442.40 = 1,684,009.60/x
  3. Step 3: Cross multiply
    4,079,957.20x = 6,121,442.40 × 1,684,009.60
  4. Step 4: Simplify right side
    4,079,957.20x = 10,308,567,767,447.04
  5. Step 5: Solve for x
    x = 10,308,567,767,447.04/4,079,957.20
  6. Step 6: Final answer
    x = 2,526,636.25

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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.