Home / 1,926,159.15-2,890,419.72-862,101.03

Finding the Fourth Proportional to 1,926,159.15, 2,890,419.72 and 862,101.03

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Solution

The fourth proportional to 1,926,159.15, 2,890,419.72 and 862,101.03 is: 1,293,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,159.15 : 2,890,419.72 = 862,101.03 : x
  2. Step 2: Convert to fraction form
    1,926,159.15/2,890,419.72 = 862,101.03/x
  3. Step 3: Cross multiply
    1,926,159.15x = 2,890,419.72 × 862,101.03
  4. Step 4: Simplify right side
    1,926,159.15x = 2,491,833,817,744.31
  5. Step 5: Solve for x
    x = 2,491,833,817,744.31/1,926,159.15
  6. Step 6: Final answer
    x = 1,293,680.13

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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.