Home / 2,810,774.80-3,878,870.48-1,521,615.16

Finding the Fourth Proportional to 2,810,774.80, 3,878,870.48 and 1,521,615.16

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Solution

The fourth proportional to 2,810,774.80, 3,878,870.48 and 1,521,615.16 is: 2,099,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,774.80 : 3,878,870.48 = 1,521,615.16 : x
  2. Step 2: Convert to fraction form
    2,810,774.80/3,878,870.48 = 1,521,615.16/x
  3. Step 3: Cross multiply
    2,810,774.80x = 3,878,870.48 × 1,521,615.16
  4. Step 4: Simplify right side
    2,810,774.80x = 5,902,148,126,044.48
  5. Step 5: Solve for x
    x = 5,902,148,126,044.48/2,810,774.80
  6. Step 6: Final answer
    x = 2,099,829.60

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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.