Home / 3,398,728.74-4,689,696.87-1,948,157.25

Finding the Fourth Proportional to 3,398,728.74, 4,689,696.87 and 1,948,157.25

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Solution

The fourth proportional to 3,398,728.74, 4,689,696.87 and 1,948,157.25 is: 2,688,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,728.74 : 4,689,696.87 = 1,948,157.25 : x
  2. Step 2: Convert to fraction form
    3,398,728.74/4,689,696.87 = 1,948,157.25/x
  3. Step 3: Cross multiply
    3,398,728.74x = 4,689,696.87 × 1,948,157.25
  4. Step 4: Simplify right side
    3,398,728.74x = 9,136,266,957,592.81
  5. Step 5: Solve for x
    x = 9,136,266,957,592.81/3,398,728.74
  6. Step 6: Final answer
    x = 2,688,142.44

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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.