Home / 1,892,731.38-2,612,118.40-1,076,969.46

Finding the Fourth Proportional to 1,892,731.38, 2,612,118.40 and 1,076,969.46

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Solution

The fourth proportional to 1,892,731.38, 2,612,118.40 and 1,076,969.46 is: 1,486,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,731.38 : 2,612,118.40 = 1,076,969.46 : x
  2. Step 2: Convert to fraction form
    1,892,731.38/2,612,118.40 = 1,076,969.46/x
  3. Step 3: Cross multiply
    1,892,731.38x = 2,612,118.40 × 1,076,969.46
  4. Step 4: Simplify right side
    1,892,731.38x = 2,813,171,742,704.06
  5. Step 5: Solve for x
    x = 2,813,171,742,704.06/1,892,731.38
  6. Step 6: Final answer
    x = 1,486,302.69

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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.