Home / 2,810,804.84-3,878,911.98-1,521,645.22

Finding the Fourth Proportional to 2,810,804.84, 3,878,911.98 and 1,521,645.22

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Solution

The fourth proportional to 2,810,804.84, 3,878,911.98 and 1,521,645.22 is: 2,099,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,804.84 : 3,878,911.98 = 1,521,645.22 : x
  2. Step 2: Convert to fraction form
    2,810,804.84/3,878,911.98 = 1,521,645.22/x
  3. Step 3: Cross multiply
    2,810,804.84x = 3,878,911.98 × 1,521,645.22
  4. Step 4: Simplify right side
    2,810,804.84x = 5,902,327,881,913.99
  5. Step 5: Solve for x
    x = 5,902,327,881,913.99/2,810,804.84
  6. Step 6: Final answer
    x = 2,099,871.11

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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.