Home / 2,709,719.41-4,066,153.76-1,213,811.41

Finding the Fourth Proportional to 2,709,719.41, 4,066,153.76 and 1,213,811.41

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Solution

The fourth proportional to 2,709,719.41, 4,066,153.76 and 1,213,811.41 is: 1,821,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,719.41 : 4,066,153.76 = 1,213,811.41 : x
  2. Step 2: Convert to fraction form
    2,709,719.41/4,066,153.76 = 1,213,811.41/x
  3. Step 3: Cross multiply
    2,709,719.41x = 4,066,153.76 × 1,213,811.41
  4. Step 4: Simplify right side
    2,709,719.41x = 4,935,543,828,702.40
  5. Step 5: Solve for x
    x = 4,935,543,828,702.40/2,709,719.41
  6. Step 6: Final answer
    x = 1,821,422.47

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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.