Home / 2,122,695.36-3,184,035.84-860,520

Finding the Fourth Proportional to 2,122,695.36, 3,184,035.84 and 860,520

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Solution

The fourth proportional to 2,122,695.36, 3,184,035.84 and 860,520 is: 1,290,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,695.36 : 3,184,035.84 = 860,520 : x
  2. Step 2: Convert to fraction form
    2,122,695.36/3,184,035.84 = 860,520/x
  3. Step 3: Cross multiply
    2,122,695.36x = 3,184,035.84 × 860,520
  4. Step 4: Simplify right side
    2,122,695.36x = 2,739,926,521,036.80
  5. Step 5: Solve for x
    x = 2,739,926,521,036.80/2,122,695.36
  6. Step 6: Final answer
    x = 1,290,777.08

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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.