Home / 2,686,977.64-3,708,012.90-1,479,745

Finding the Fourth Proportional to 2,686,977.64, 3,708,012.90 and 1,479,745

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Solution

The fourth proportional to 2,686,977.64, 3,708,012.90 and 1,479,745 is: 2,042,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,977.64 : 3,708,012.90 = 1,479,745 : x
  2. Step 2: Convert to fraction form
    2,686,977.64/3,708,012.90 = 1,479,745/x
  3. Step 3: Cross multiply
    2,686,977.64x = 3,708,012.90 × 1,479,745
  4. Step 4: Simplify right side
    2,686,977.64x = 5,486,913,548,710.50
  5. Step 5: Solve for x
    x = 5,486,913,548,710.50/2,686,977.64
  6. Step 6: Final answer
    x = 2,042,039.15

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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.