Home / 4,685,139.64-6,465,447.16-2,620,131.72

Finding the Fourth Proportional to 4,685,139.64, 6,465,447.16 and 2,620,131.72

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Solution

The fourth proportional to 4,685,139.64, 6,465,447.16 and 2,620,131.72 is: 3,615,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,139.64 : 6,465,447.16 = 2,620,131.72 : x
  2. Step 2: Convert to fraction form
    4,685,139.64/6,465,447.16 = 2,620,131.72/x
  3. Step 3: Cross multiply
    4,685,139.64x = 6,465,447.16 × 2,620,131.72
  4. Step 4: Simplify right side
    4,685,139.64x = 16,940,323,187,899.92
  5. Step 5: Solve for x
    x = 16,940,323,187,899.92/4,685,139.64
  6. Step 6: Final answer
    x = 3,615,756.30

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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.