Home / 2,778,871.38-3,834,842.50-1,507,063.38

Finding the Fourth Proportional to 2,778,871.38, 3,834,842.50 and 1,507,063.38

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Solution

The fourth proportional to 2,778,871.38, 3,834,842.50 and 1,507,063.38 is: 2,079,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,871.38 : 3,834,842.50 = 1,507,063.38 : x
  2. Step 2: Convert to fraction form
    2,778,871.38/3,834,842.50 = 1,507,063.38/x
  3. Step 3: Cross multiply
    2,778,871.38x = 3,834,842.50 × 1,507,063.38
  4. Step 4: Simplify right side
    2,778,871.38x = 5,779,350,699,817.65
  5. Step 5: Solve for x
    x = 5,779,350,699,817.65/2,778,871.38
  6. Step 6: Final answer
    x = 2,079,747.46

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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.