Home / 3,163,031.40-4,364,890.02-1,786,431.54

Finding the Fourth Proportional to 3,163,031.40, 4,364,890.02 and 1,786,431.54

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Solution

The fourth proportional to 3,163,031.40, 4,364,890.02 and 1,786,431.54 is: 2,465,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,031.40 : 4,364,890.02 = 1,786,431.54 : x
  2. Step 2: Convert to fraction form
    3,163,031.40/4,364,890.02 = 1,786,431.54/x
  3. Step 3: Cross multiply
    3,163,031.40x = 4,364,890.02 × 1,786,431.54
  4. Step 4: Simplify right side
    3,163,031.40x = 7,797,577,200,359.23
  5. Step 5: Solve for x
    x = 7,797,577,200,359.23/3,163,031.40
  6. Step 6: Final answer
    x = 2,465,222.82

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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.