Home / 2,186,221.20-3,018,389.04-1,371,541.92

Finding the Fourth Proportional to 2,186,221.20, 3,018,389.04 and 1,371,541.92

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Solution

The fourth proportional to 2,186,221.20, 3,018,389.04 and 1,371,541.92 is: 1,893,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,221.20 : 3,018,389.04 = 1,371,541.92 : x
  2. Step 2: Convert to fraction form
    2,186,221.20/3,018,389.04 = 1,371,541.92/x
  3. Step 3: Cross multiply
    2,186,221.20x = 3,018,389.04 × 1,371,541.92
  4. Step 4: Simplify right side
    2,186,221.20x = 4,139,847,099,228.56
  5. Step 5: Solve for x
    x = 4,139,847,099,228.56/2,186,221.20
  6. Step 6: Final answer
    x = 1,893,608.52

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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.