Home / 1,919,254.68-2,877,171.30-972,137.88

Finding the Fourth Proportional to 1,919,254.68, 2,877,171.30 and 972,137.88

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Solution

The fourth proportional to 1,919,254.68, 2,877,171.30 and 972,137.88 is: 1,457,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,254.68 : 2,877,171.30 = 972,137.88 : x
  2. Step 2: Convert to fraction form
    1,919,254.68/2,877,171.30 = 972,137.88/x
  3. Step 3: Cross multiply
    1,919,254.68x = 2,877,171.30 × 972,137.88
  4. Step 4: Simplify right side
    1,919,254.68x = 2,797,007,207,978.84
  5. Step 5: Solve for x
    x = 2,797,007,207,978.84/1,919,254.68
  6. Step 6: Final answer
    x = 1,457,340.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.