Home / 3,118,878-4,304,064.60-1,688,094

Finding the Fourth Proportional to 3,118,878, 4,304,064.60 and 1,688,094

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Solution

The fourth proportional to 3,118,878, 4,304,064.60 and 1,688,094 is: 2,329,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,878 : 4,304,064.60 = 1,688,094 : x
  2. Step 2: Convert to fraction form
    3,118,878/4,304,064.60 = 1,688,094/x
  3. Step 3: Cross multiply
    3,118,878x = 4,304,064.60 × 1,688,094
  4. Step 4: Simplify right side
    3,118,878x = 7,265,665,626,872.40
  5. Step 5: Solve for x
    x = 7,265,665,626,872.40/3,118,878
  6. Step 6: Final answer
    x = 2,329,576.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.