Home / 2,146,215.20-3,219,322.80-2,114,722.40

Finding the Fourth Proportional to 2,146,215.20, 3,219,322.80 and 2,114,722.40

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Solution

The fourth proportional to 2,146,215.20, 3,219,322.80 and 2,114,722.40 is: 3,172,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,215.20 : 3,219,322.80 = 2,114,722.40 : x
  2. Step 2: Convert to fraction form
    2,146,215.20/3,219,322.80 = 2,114,722.40/x
  3. Step 3: Cross multiply
    2,146,215.20x = 3,219,322.80 × 2,114,722.40
  4. Step 4: Simplify right side
    2,146,215.20x = 6,807,974,037,990.72
  5. Step 5: Solve for x
    x = 6,807,974,037,990.72/2,146,215.20
  6. Step 6: Final answer
    x = 3,172,083.60

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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.