Home / 3,071,686.32-4,239,770.24-1,782,941.90

Finding the Fourth Proportional to 3,071,686.32, 4,239,770.24 and 1,782,941.90

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Solution

The fourth proportional to 3,071,686.32, 4,239,770.24 and 1,782,941.90 is: 2,460,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,686.32 : 4,239,770.24 = 1,782,941.90 : x
  2. Step 2: Convert to fraction form
    3,071,686.32/4,239,770.24 = 1,782,941.90/x
  3. Step 3: Cross multiply
    3,071,686.32x = 4,239,770.24 × 1,782,941.90
  4. Step 4: Simplify right side
    3,071,686.32x = 7,559,263,990,527.56
  5. Step 5: Solve for x
    x = 7,559,263,990,527.56/3,071,686.32
  6. Step 6: Final answer
    x = 2,460,949.20

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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.