Home / 2,180,689.94-3,009,285.13-1,213,795.37

Finding the Fourth Proportional to 2,180,689.94, 3,009,285.13 and 1,213,795.37

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Solution

The fourth proportional to 2,180,689.94, 3,009,285.13 and 1,213,795.37 is: 1,675,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,689.94 : 3,009,285.13 = 1,213,795.37 : x
  2. Step 2: Convert to fraction form
    2,180,689.94/3,009,285.13 = 1,213,795.37/x
  3. Step 3: Cross multiply
    2,180,689.94x = 3,009,285.13 × 1,213,795.37
  4. Step 4: Simplify right side
    2,180,689.94x = 3,652,656,357,803.85
  5. Step 5: Solve for x
    x = 3,652,656,357,803.85/2,180,689.94
  6. Step 6: Final answer
    x = 1,675,000.32

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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.