Home / 3,137,844.52-4,709,288.70-1,621,971.40

Finding the Fourth Proportional to 3,137,844.52, 4,709,288.70 and 1,621,971.40

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Solution

The fourth proportional to 3,137,844.52, 4,709,288.70 and 1,621,971.40 is: 2,434,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,844.52 : 4,709,288.70 = 1,621,971.40 : x
  2. Step 2: Convert to fraction form
    3,137,844.52/4,709,288.70 = 1,621,971.40/x
  3. Step 3: Cross multiply
    3,137,844.52x = 4,709,288.70 × 1,621,971.40
  4. Step 4: Simplify right side
    3,137,844.52x = 7,638,331,585,743.18
  5. Step 5: Solve for x
    x = 7,638,331,585,743.18/3,137,844.52
  6. Step 6: Final answer
    x = 2,434,260.70

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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.