Home / 2,810,763.18-3,878,854.47-1,521,603.56

Finding the Fourth Proportional to 2,810,763.18, 3,878,854.47 and 1,521,603.56

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Solution

The fourth proportional to 2,810,763.18, 3,878,854.47 and 1,521,603.56 is: 2,099,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,763.18 : 3,878,854.47 = 1,521,603.56 : x
  2. Step 2: Convert to fraction form
    2,810,763.18/3,878,854.47 = 1,521,603.56/x
  3. Step 3: Cross multiply
    2,810,763.18x = 3,878,854.47 × 1,521,603.56
  4. Step 4: Simplify right side
    2,810,763.18x = 5,902,078,779,971.05
  5. Step 5: Solve for x
    x = 5,902,078,779,971.05/2,810,763.18
  6. Step 6: Final answer
    x = 2,099,813.61

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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.