Home / 3,219,529.18-4,441,981.37-1,929,899.02

Finding the Fourth Proportional to 3,219,529.18, 4,441,981.37 and 1,929,899.02

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Solution

The fourth proportional to 3,219,529.18, 4,441,981.37 and 1,929,899.02 is: 2,662,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,529.18 : 4,441,981.37 = 1,929,899.02 : x
  2. Step 2: Convert to fraction form
    3,219,529.18/4,441,981.37 = 1,929,899.02/x
  3. Step 3: Cross multiply
    3,219,529.18x = 4,441,981.37 × 1,929,899.02
  4. Step 4: Simplify right side
    3,219,529.18x = 8,572,575,492,821.26
  5. Step 5: Solve for x
    x = 8,572,575,492,821.26/3,219,529.18
  6. Step 6: Final answer
    x = 2,662,679.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.