Home / 2,077,686.40-3,116,529.60-1,190,492.80

Finding the Fourth Proportional to 2,077,686.40, 3,116,529.60 and 1,190,492.80

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Solution

The fourth proportional to 2,077,686.40, 3,116,529.60 and 1,190,492.80 is: 1,785,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,686.40 : 3,116,529.60 = 1,190,492.80 : x
  2. Step 2: Convert to fraction form
    2,077,686.40/3,116,529.60 = 1,190,492.80/x
  3. Step 3: Cross multiply
    2,077,686.40x = 3,116,529.60 × 1,190,492.80
  4. Step 4: Simplify right side
    2,077,686.40x = 3,710,206,049,786.88
  5. Step 5: Solve for x
    x = 3,710,206,049,786.88/2,077,686.40
  6. Step 6: Final answer
    x = 1,785,739.20

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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.