Home / 2,772,056.90-4,157,696.55-878,989.70

Finding the Fourth Proportional to 2,772,056.90, 4,157,696.55 and 878,989.70

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Solution

The fourth proportional to 2,772,056.90, 4,157,696.55 and 878,989.70 is: 1,318,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,056.90 : 4,157,696.55 = 878,989.70 : x
  2. Step 2: Convert to fraction form
    2,772,056.90/4,157,696.55 = 878,989.70/x
  3. Step 3: Cross multiply
    2,772,056.90x = 4,157,696.55 × 878,989.70
  4. Step 4: Simplify right side
    2,772,056.90x = 3,654,572,443,175.53
  5. Step 5: Solve for x
    x = 3,654,572,443,175.53/2,772,056.90
  6. Step 6: Final answer
    x = 1,318,361.27

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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.