Home / 2,853,913.87-4,280,415.11-831,684.76

Finding the Fourth Proportional to 2,853,913.87, 4,280,415.11 and 831,684.76

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Solution

The fourth proportional to 2,853,913.87, 4,280,415.11 and 831,684.76 is: 1,247,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,913.87 : 4,280,415.11 = 831,684.76 : x
  2. Step 2: Convert to fraction form
    2,853,913.87/4,280,415.11 = 831,684.76/x
  3. Step 3: Cross multiply
    2,853,913.87x = 4,280,415.11 × 831,684.76
  4. Step 4: Simplify right side
    2,853,913.87x = 3,559,956,004,838.90
  5. Step 5: Solve for x
    x = 3,559,956,004,838.90/2,853,913.87
  6. Step 6: Final answer
    x = 1,247,394.34

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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.