Home / 2,531,431.22-3,493,348.47-1,369,852.05

Finding the Fourth Proportional to 2,531,431.22, 3,493,348.47 and 1,369,852.05

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Solution

The fourth proportional to 2,531,431.22, 3,493,348.47 and 1,369,852.05 is: 1,890,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,431.22 : 3,493,348.47 = 1,369,852.05 : x
  2. Step 2: Convert to fraction form
    2,531,431.22/3,493,348.47 = 1,369,852.05/x
  3. Step 3: Cross multiply
    2,531,431.22x = 3,493,348.47 × 1,369,852.05
  4. Step 4: Simplify right side
    2,531,431.22x = 4,785,370,562,993.86
  5. Step 5: Solve for x
    x = 4,785,370,562,993.86/2,531,431.22
  6. Step 6: Final answer
    x = 1,890,381.43

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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.