Home / 2,185,869.63-3,016,494.23-1,219,000.98

Finding the Fourth Proportional to 2,185,869.63, 3,016,494.23 and 1,219,000.98

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Solution

The fourth proportional to 2,185,869.63, 3,016,494.23 and 1,219,000.98 is: 1,682,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,869.63 : 3,016,494.23 = 1,219,000.98 : x
  2. Step 2: Convert to fraction form
    2,185,869.63/3,016,494.23 = 1,219,000.98/x
  3. Step 3: Cross multiply
    2,185,869.63x = 3,016,494.23 × 1,219,000.98
  4. Step 4: Simplify right side
    2,185,869.63x = 3,677,109,416,439.34
  5. Step 5: Solve for x
    x = 3,677,109,416,439.34/2,185,869.63
  6. Step 6: Final answer
    x = 1,682,218.08

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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.