Home / 3,587,813.72-5,381,740.08-928,421.72

Finding the Fourth Proportional to 3,587,813.72, 5,381,740.08 and 928,421.72

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Solution

The fourth proportional to 3,587,813.72, 5,381,740.08 and 928,421.72 is: 1,392,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,813.72 : 5,381,740.08 = 928,421.72 : x
  2. Step 2: Convert to fraction form
    3,587,813.72/5,381,740.08 = 928,421.72/x
  3. Step 3: Cross multiply
    3,587,813.72x = 5,381,740.08 × 928,421.72
  4. Step 4: Simplify right side
    3,587,813.72x = 4,996,524,381,666.54
  5. Step 5: Solve for x
    x = 4,996,524,381,666.54/3,587,813.72
  6. Step 6: Final answer
    x = 1,392,637.63

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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.