Home / 3,688,491-5,090,273.10-2,078,859

Finding the Fourth Proportional to 3,688,491, 5,090,273.10 and 2,078,859

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Solution

The fourth proportional to 3,688,491, 5,090,273.10 and 2,078,859 is: 2,868,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,491 : 5,090,273.10 = 2,078,859 : x
  2. Step 2: Convert to fraction form
    3,688,491/5,090,273.10 = 2,078,859/x
  3. Step 3: Cross multiply
    3,688,491x = 5,090,273.10 × 2,078,859
  4. Step 4: Simplify right side
    3,688,491x = 10,581,960,046,392.90
  5. Step 5: Solve for x
    x = 10,581,960,046,392.90/3,688,491
  6. Step 6: Final answer
    x = 2,868,913.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.