Home / 2,934,999.60-4,402,499.40-2,131,933.20

Finding the Fourth Proportional to 2,934,999.60, 4,402,499.40 and 2,131,933.20

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Solution

The fourth proportional to 2,934,999.60, 4,402,499.40 and 2,131,933.20 is: 3,197,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,999.60 : 4,402,499.40 = 2,131,933.20 : x
  2. Step 2: Convert to fraction form
    2,934,999.60/4,402,499.40 = 2,131,933.20/x
  3. Step 3: Cross multiply
    2,934,999.60x = 4,402,499.40 × 2,131,933.20
  4. Step 4: Simplify right side
    2,934,999.60x = 9,385,834,633,840.08
  5. Step 5: Solve for x
    x = 9,385,834,633,840.08/2,934,999.60
  6. Step 6: Final answer
    x = 3,197,899.80

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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.