Home / 1,796,780.10-2,695,170.15-1,290,270.90

Finding the Fourth Proportional to 1,796,780.10, 2,695,170.15 and 1,290,270.90

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Solution

The fourth proportional to 1,796,780.10, 2,695,170.15 and 1,290,270.90 is: 1,935,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,780.10 : 2,695,170.15 = 1,290,270.90 : x
  2. Step 2: Convert to fraction form
    1,796,780.10/2,695,170.15 = 1,290,270.90/x
  3. Step 3: Cross multiply
    1,796,780.10x = 2,695,170.15 × 1,290,270.90
  4. Step 4: Simplify right side
    1,796,780.10x = 3,477,499,615,093.64
  5. Step 5: Solve for x
    x = 3,477,499,615,093.64/1,796,780.10
  6. Step 6: Final answer
    x = 1,935,406.35

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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.