Home / 1,939,160.50-2,908,939.39-742,089.65

Finding the Fourth Proportional to 1,939,160.50, 2,908,939.39 and 742,089.65

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Solution

The fourth proportional to 1,939,160.50, 2,908,939.39 and 742,089.65 is: 1,113,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,160.50 : 2,908,939.39 = 742,089.65 : x
  2. Step 2: Convert to fraction form
    1,939,160.50/2,908,939.39 = 742,089.65/x
  3. Step 3: Cross multiply
    1,939,160.50x = 2,908,939.39 × 742,089.65
  4. Step 4: Simplify right side
    1,939,160.50x = 2,158,693,797,396.39
  5. Step 5: Solve for x
    x = 2,158,693,797,396.39/1,939,160.50
  6. Step 6: Final answer
    x = 1,113,210.48

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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.