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Finding the Fourth Proportional to 1,631,849.79, 2,447,774.24 and 509,918.79

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Solution

The fourth proportional to 1,631,849.79, 2,447,774.24 and 509,918.79 is: 764,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,849.79 : 2,447,774.24 = 509,918.79 : x
  2. Step 2: Convert to fraction form
    1,631,849.79/2,447,774.24 = 509,918.79/x
  3. Step 3: Cross multiply
    1,631,849.79x = 2,447,774.24 × 509,918.79
  4. Step 4: Simplify right side
    1,631,849.79x = 1,248,166,085,283.53
  5. Step 5: Solve for x
    x = 1,248,166,085,283.53/1,631,849.79
  6. Step 6: Final answer
    x = 764,878.05

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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.