Home / 3,158,706.30-4,359,015.37-1,782,342.15

Finding the Fourth Proportional to 3,158,706.30, 4,359,015.37 and 1,782,342.15

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Solution

The fourth proportional to 3,158,706.30, 4,359,015.37 and 1,782,342.15 is: 2,459,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,706.30 : 4,359,015.37 = 1,782,342.15 : x
  2. Step 2: Convert to fraction form
    3,158,706.30/4,359,015.37 = 1,782,342.15/x
  3. Step 3: Cross multiply
    3,158,706.30x = 4,359,015.37 × 1,782,342.15
  4. Step 4: Simplify right side
    3,158,706.30x = 7,769,256,826,448.85
  5. Step 5: Solve for x
    x = 7,769,256,826,448.85/3,158,706.30
  6. Step 6: Final answer
    x = 2,459,632.55

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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.