Home / 3,405,025.20-4,699,146.36-1,877,129.52

Finding the Fourth Proportional to 3,405,025.20, 4,699,146.36 and 1,877,129.52

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Solution

The fourth proportional to 3,405,025.20, 4,699,146.36 and 1,877,129.52 is: 2,590,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,025.20 : 4,699,146.36 = 1,877,129.52 : x
  2. Step 2: Convert to fraction form
    3,405,025.20/4,699,146.36 = 1,877,129.52/x
  3. Step 3: Cross multiply
    3,405,025.20x = 4,699,146.36 × 1,877,129.52
  4. Step 4: Simplify right side
    3,405,025.20x = 8,820,906,351,156.55
  5. Step 5: Solve for x
    x = 8,820,906,351,156.55/3,405,025.20
  6. Step 6: Final answer
    x = 2,590,555.38

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1.5x scale

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.