Home / 3,368,311.70-4,648,265.56-1,918,007.13

Finding the Fourth Proportional to 3,368,311.70, 4,648,265.56 and 1,918,007.13

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Solution

The fourth proportional to 3,368,311.70, 4,648,265.56 and 1,918,007.13 is: 2,646,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368,311.70 : 4,648,265.56 = 1,918,007.13 : x
  2. Step 2: Convert to fraction form
    3,368,311.70/4,648,265.56 = 1,918,007.13/x
  3. Step 3: Cross multiply
    3,368,311.70x = 4,648,265.56 × 1,918,007.13
  4. Step 4: Simplify right side
    3,368,311.70x = 8,915,406,477,822.16
  5. Step 5: Solve for x
    x = 8,915,406,477,822.16/3,368,311.70
  6. Step 6: Final answer
    x = 2,646,847.23

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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.