Home / 2,380,528.45-3,570,927.54-761,439.43

Finding the Fourth Proportional to 2,380,528.45, 3,570,927.54 and 761,439.43

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Solution

The fourth proportional to 2,380,528.45, 3,570,927.54 and 761,439.43 is: 1,142,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,528.45 : 3,570,927.54 = 761,439.43 : x
  2. Step 2: Convert to fraction form
    2,380,528.45/3,570,927.54 = 761,439.43/x
  3. Step 3: Cross multiply
    2,380,528.45x = 3,570,927.54 × 761,439.43
  4. Step 4: Simplify right side
    2,380,528.45x = 2,719,045,030,628.90
  5. Step 5: Solve for x
    x = 2,719,045,030,628.90/2,380,528.45
  6. Step 6: Final answer
    x = 1,142,202.28

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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.