Home / 1,943,731.80-2,682,331.60-1,072,574.50

Finding the Fourth Proportional to 1,943,731.80, 2,682,331.60 and 1,072,574.50

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Solution

The fourth proportional to 1,943,731.80, 2,682,331.60 and 1,072,574.50 is: 1,480,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,731.80 : 2,682,331.60 = 1,072,574.50 : x
  2. Step 2: Convert to fraction form
    1,943,731.80/2,682,331.60 = 1,072,574.50/x
  3. Step 3: Cross multiply
    1,943,731.80x = 2,682,331.60 × 1,072,574.50
  4. Step 4: Simplify right side
    1,943,731.80x = 2,877,000,474,704.20
  5. Step 5: Solve for x
    x = 2,877,000,474,704.20/1,943,731.80
  6. Step 6: Final answer
    x = 1,480,142.72

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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.