Home / 3,409,241.40-5,113,304.01-1,387,403.64

Finding the Fourth Proportional to 3,409,241.40, 5,113,304.01 and 1,387,403.64

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Solution

The fourth proportional to 3,409,241.40, 5,113,304.01 and 1,387,403.64 is: 2,080,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,241.40 : 5,113,304.01 = 1,387,403.64 : x
  2. Step 2: Convert to fraction form
    3,409,241.40/5,113,304.01 = 1,387,403.64/x
  3. Step 3: Cross multiply
    3,409,241.40x = 5,113,304.01 × 1,387,403.64
  4. Step 4: Simplify right side
    3,409,241.40x = 7,094,216,595,900.60
  5. Step 5: Solve for x
    x = 7,094,216,595,900.60/3,409,241.40
  6. Step 6: Final answer
    x = 2,080,878.34

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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.