Home / 2,447,120.80-3,670,681.20-764,394.40

Finding the Fourth Proportional to 2,447,120.80, 3,670,681.20 and 764,394.40

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Solution

The fourth proportional to 2,447,120.80, 3,670,681.20 and 764,394.40 is: 1,146,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,120.80 : 3,670,681.20 = 764,394.40 : x
  2. Step 2: Convert to fraction form
    2,447,120.80/3,670,681.20 = 764,394.40/x
  3. Step 3: Cross multiply
    2,447,120.80x = 3,670,681.20 × 764,394.40
  4. Step 4: Simplify right side
    2,447,120.80x = 2,805,848,153,465.28
  5. Step 5: Solve for x
    x = 2,805,848,153,465.28/2,447,120.80
  6. Step 6: Final answer
    x = 1,146,591.60

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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.