Home / 1,368,001.40-2,052,002.10-920,103.80

Finding the Fourth Proportional to 1,368,001.40, 2,052,002.10 and 920,103.80

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Solution

The fourth proportional to 1,368,001.40, 2,052,002.10 and 920,103.80 is: 1,380,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,001.40 : 2,052,002.10 = 920,103.80 : x
  2. Step 2: Convert to fraction form
    1,368,001.40/2,052,002.10 = 920,103.80/x
  3. Step 3: Cross multiply
    1,368,001.40x = 2,052,002.10 × 920,103.80
  4. Step 4: Simplify right side
    1,368,001.40x = 1,888,054,929,817.98
  5. Step 5: Solve for x
    x = 1,888,054,929,817.98/1,368,001.40
  6. Step 6: Final answer
    x = 1,380,155.70

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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.