Home / 3,425,731-4,727,127.34-1,897,455.40

Finding the Fourth Proportional to 3,425,731, 4,727,127.34 and 1,897,455.40

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Solution

The fourth proportional to 3,425,731, 4,727,127.34 and 1,897,455.40 is: 2,618,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425,731 : 4,727,127.34 = 1,897,455.40 : x
  2. Step 2: Convert to fraction form
    3,425,731/4,727,127.34 = 1,897,455.40/x
  3. Step 3: Cross multiply
    3,425,731x = 4,727,127.34 × 1,897,455.40
  4. Step 4: Simplify right side
    3,425,731x = 8,969,513,297,770.64
  5. Step 5: Solve for x
    x = 8,969,513,297,770.64/3,425,731
  6. Step 6: Final answer
    x = 2,618,277.18

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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.