Home / 2,778,874.38-3,834,846.64-1,507,066.38

Finding the Fourth Proportional to 2,778,874.38, 3,834,846.64 and 1,507,066.38

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Solution

The fourth proportional to 2,778,874.38, 3,834,846.64 and 1,507,066.38 is: 2,079,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,874.38 : 3,834,846.64 = 1,507,066.38 : x
  2. Step 2: Convert to fraction form
    2,778,874.38/3,834,846.64 = 1,507,066.38/x
  3. Step 3: Cross multiply
    2,778,874.38x = 3,834,846.64 × 1,507,066.38
  4. Step 4: Simplify right side
    2,778,874.38x = 5,779,368,420,658.07
  5. Step 5: Solve for x
    x = 5,779,368,420,658.07/2,778,874.38
  6. Step 6: Final answer
    x = 2,079,751.60

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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.