Home / 2,892,614.40-4,334,774.40-2,128,492.80

Finding the Fourth Proportional to 2,892,614.40, 4,334,774.40 and 2,128,492.80

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Solution

The fourth proportional to 2,892,614.40, 4,334,774.40 and 2,128,492.80 is: 3,189,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,614.40 : 4,334,774.40 = 2,128,492.80 : x
  2. Step 2: Convert to fraction form
    2,892,614.40/4,334,774.40 = 2,128,492.80/x
  3. Step 3: Cross multiply
    2,892,614.40x = 4,334,774.40 × 2,128,492.80
  4. Step 4: Simplify right side
    2,892,614.40x = 9,226,536,100,024.32
  5. Step 5: Solve for x
    x = 9,226,536,100,024.32/2,892,614.40
  6. Step 6: Final answer
    x = 3,189,687.54

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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.