Home / 3,939,536.61-5,439,090.69-2,471,457.90

Finding the Fourth Proportional to 3,939,536.61, 5,439,090.69 and 2,471,457.90

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Solution

The fourth proportional to 3,939,536.61, 5,439,090.69 and 2,471,457.90 is: 3,412,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,536.61 : 5,439,090.69 = 2,471,457.90 : x
  2. Step 2: Convert to fraction form
    3,939,536.61/5,439,090.69 = 2,471,457.90/x
  3. Step 3: Cross multiply
    3,939,536.61x = 5,439,090.69 × 2,471,457.90
  4. Step 4: Simplify right side
    3,939,536.61x = 13,442,483,654,616.95
  5. Step 5: Solve for x
    x = 13,442,483,654,616.95/3,939,536.61
  6. Step 6: Final answer
    x = 3,412,199.20

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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.