Home / 4,268,442.40-6,400,474.80-1,276,237.60

Finding the Fourth Proportional to 4,268,442.40, 6,400,474.80 and 1,276,237.60

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Solution

The fourth proportional to 4,268,442.40, 6,400,474.80 and 1,276,237.60 is: 1,913,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,442.40 : 6,400,474.80 = 1,276,237.60 : x
  2. Step 2: Convert to fraction form
    4,268,442.40/6,400,474.80 = 1,276,237.60/x
  3. Step 3: Cross multiply
    4,268,442.40x = 6,400,474.80 × 1,276,237.60
  4. Step 4: Simplify right side
    4,268,442.40x = 8,168,526,597,612.48
  5. Step 5: Solve for x
    x = 8,168,526,597,612.48/4,268,442.40
  6. Step 6: Final answer
    x = 1,913,701.96

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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.