Home / 4,120,325.40-6,181,427.70-1,280,724.60

Finding the Fourth Proportional to 4,120,325.40, 6,181,427.70 and 1,280,724.60

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Solution

The fourth proportional to 4,120,325.40, 6,181,427.70 and 1,280,724.60 is: 1,921,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,325.40 : 6,181,427.70 = 1,280,724.60 : x
  2. Step 2: Convert to fraction form
    4,120,325.40/6,181,427.70 = 1,280,724.60/x
  3. Step 3: Cross multiply
    4,120,325.40x = 6,181,427.70 × 1,280,724.60
  4. Step 4: Simplify right side
    4,120,325.40x = 7,916,706,518,511.42
  5. Step 5: Solve for x
    x = 7,916,706,518,511.42/4,120,325.40
  6. Step 6: Final answer
    x = 1,921,378.96

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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.