Home / 2,119,789.01-2,926,069.74-1,260,347.21

Finding the Fourth Proportional to 2,119,789.01, 2,926,069.74 and 1,260,347.21

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Solution

The fourth proportional to 2,119,789.01, 2,926,069.74 and 1,260,347.21 is: 1,739,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,789.01 : 2,926,069.74 = 1,260,347.21 : x
  2. Step 2: Convert to fraction form
    2,119,789.01/2,926,069.74 = 1,260,347.21/x
  3. Step 3: Cross multiply
    2,119,789.01x = 2,926,069.74 × 1,260,347.21
  4. Step 4: Simplify right side
    2,119,789.01x = 3,687,863,848,239.13
  5. Step 5: Solve for x
    x = 3,687,863,848,239.13/2,119,789.01
  6. Step 6: Final answer
    x = 1,739,731.57

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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.