Home / 2,810,771.79-3,878,866.38-1,521,612.18

Finding the Fourth Proportional to 2,810,771.79, 3,878,866.38 and 1,521,612.18

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Solution

The fourth proportional to 2,810,771.79, 3,878,866.38 and 1,521,612.18 is: 2,099,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,771.79 : 3,878,866.38 = 1,521,612.18 : x
  2. Step 2: Convert to fraction form
    2,810,771.79/3,878,866.38 = 1,521,612.18/x
  3. Step 3: Cross multiply
    2,810,771.79x = 3,878,866.38 × 1,521,612.18
  4. Step 4: Simplify right side
    2,810,771.79x = 5,902,130,328,400.51
  5. Step 5: Solve for x
    x = 5,902,130,328,400.51/2,810,771.79
  6. Step 6: Final answer
    x = 2,099,825.52

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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.