Home / 3,118,916.72-4,680,241.32-2,865,108.08

Finding the Fourth Proportional to 3,118,916.72, 4,680,241.32 and 2,865,108.08

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Solution

The fourth proportional to 3,118,916.72, 4,680,241.32 and 2,865,108.08 is: 4,299,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,916.72 : 4,680,241.32 = 2,865,108.08 : x
  2. Step 2: Convert to fraction form
    3,118,916.72/4,680,241.32 = 2,865,108.08/x
  3. Step 3: Cross multiply
    3,118,916.72x = 4,680,241.32 × 2,865,108.08
  4. Step 4: Simplify right side
    3,118,916.72x = 13,409,397,222,281.87
  5. Step 5: Solve for x
    x = 13,409,397,222,281.87/3,118,916.72
  6. Step 6: Final answer
    x = 4,299,376.49

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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.