Home / 3,900,895.80-5,851,343.70-2,389,241.40

Finding the Fourth Proportional to 3,900,895.80, 5,851,343.70 and 2,389,241.40

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Solution

The fourth proportional to 3,900,895.80, 5,851,343.70 and 2,389,241.40 is: 3,583,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,895.80 : 5,851,343.70 = 2,389,241.40 : x
  2. Step 2: Convert to fraction form
    3,900,895.80/5,851,343.70 = 2,389,241.40/x
  3. Step 3: Cross multiply
    3,900,895.80x = 5,851,343.70 × 2,389,241.40
  4. Step 4: Simplify right side
    3,900,895.80x = 13,980,272,613,669.18
  5. Step 5: Solve for x
    x = 13,980,272,613,669.18/3,900,895.80
  6. Step 6: Final answer
    x = 3,583,862.10

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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.