Home / 1,210,080.90-1,815,121.35-1,210,080.90

Finding the Fourth Proportional to 1,210,080.90, 1,815,121.35 and 1,210,080.90

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Solution

The fourth proportional to 1,210,080.90, 1,815,121.35 and 1,210,080.90 is: 1,815,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,080.90 : 1,815,121.35 = 1,210,080.90 : x
  2. Step 2: Convert to fraction form
    1,210,080.90/1,815,121.35 = 1,210,080.90/x
  3. Step 3: Cross multiply
    1,210,080.90x = 1,815,121.35 × 1,210,080.90
  4. Step 4: Simplify right side
    1,210,080.90x = 2,196,443,676,817.22
  5. Step 5: Solve for x
    x = 2,196,443,676,817.22/1,210,080.90
  6. Step 6: Final answer
    x = 1,815,121.35

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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.