Home / 2,161,031.64-3,241,674.26-813,205.72

Finding the Fourth Proportional to 2,161,031.64, 3,241,674.26 and 813,205.72

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Solution

The fourth proportional to 2,161,031.64, 3,241,674.26 and 813,205.72 is: 1,219,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,031.64 : 3,241,674.26 = 813,205.72 : x
  2. Step 2: Convert to fraction form
    2,161,031.64/3,241,674.26 = 813,205.72/x
  3. Step 3: Cross multiply
    2,161,031.64x = 3,241,674.26 × 813,205.72
  4. Step 4: Simplify right side
    2,161,031.64x = 2,636,148,050,608.77
  5. Step 5: Solve for x
    x = 2,636,148,050,608.77/2,161,031.64
  6. Step 6: Final answer
    x = 1,219,856.30

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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.