Home / 1,926,156.40-2,890,415.58-862,098.28

Finding the Fourth Proportional to 1,926,156.40, 2,890,415.58 and 862,098.28

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Solution

The fourth proportional to 1,926,156.40, 2,890,415.58 and 862,098.28 is: 1,293,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,156.40 : 2,890,415.58 = 862,098.28 : x
  2. Step 2: Convert to fraction form
    1,926,156.40/2,890,415.58 = 862,098.28/x
  3. Step 3: Cross multiply
    1,926,156.40x = 2,890,415.58 × 862,098.28
  4. Step 4: Simplify right side
    1,926,156.40x = 2,491,822,300,003.20
  5. Step 5: Solve for x
    x = 2,491,822,300,003.20/1,926,156.40
  6. Step 6: Final answer
    x = 1,293,676.00

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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.