Home / 2,012,106.90-3,018,160.35-1,212,977.10

Finding the Fourth Proportional to 2,012,106.90, 3,018,160.35 and 1,212,977.10

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Solution

The fourth proportional to 2,012,106.90, 3,018,160.35 and 1,212,977.10 is: 1,819,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,106.90 : 3,018,160.35 = 1,212,977.10 : x
  2. Step 2: Convert to fraction form
    2,012,106.90/3,018,160.35 = 1,212,977.10/x
  3. Step 3: Cross multiply
    2,012,106.90x = 3,018,160.35 × 1,212,977.10
  4. Step 4: Simplify right side
    2,012,106.90x = 3,660,959,388,677.99
  5. Step 5: Solve for x
    x = 3,660,959,388,677.99/2,012,106.90
  6. Step 6: Final answer
    x = 1,819,465.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.