Home / 4,269,578.31-6,404,359.53-1,390,941.66

Finding the Fourth Proportional to 4,269,578.31, 6,404,359.53 and 1,390,941.66

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Solution

The fourth proportional to 4,269,578.31, 6,404,359.53 and 1,390,941.66 is: 2,086,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269,578.31 : 6,404,359.53 = 1,390,941.66 : x
  2. Step 2: Convert to fraction form
    4,269,578.31/6,404,359.53 = 1,390,941.66/x
  3. Step 3: Cross multiply
    4,269,578.31x = 6,404,359.53 × 1,390,941.66
  4. Step 4: Simplify right side
    4,269,578.31x = 8,908,090,475,895.02
  5. Step 5: Solve for x
    x = 8,908,090,475,895.02/4,269,578.31
  6. Step 6: Final answer
    x = 2,086,409.90

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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.