Home / 1,946,660.70-2,686,126.38-1,087,111.38

Finding the Fourth Proportional to 1,946,660.70, 2,686,126.38 and 1,087,111.38

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Solution

The fourth proportional to 1,946,660.70, 2,686,126.38 and 1,087,111.38 is: 1,500,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,660.70 : 2,686,126.38 = 1,087,111.38 : x
  2. Step 2: Convert to fraction form
    1,946,660.70/2,686,126.38 = 1,087,111.38/x
  3. Step 3: Cross multiply
    1,946,660.70x = 2,686,126.38 × 1,087,111.38
  4. Step 4: Simplify right side
    1,946,660.70x = 2,920,118,555,816.20
  5. Step 5: Solve for x
    x = 2,920,118,555,816.20/1,946,660.70
  6. Step 6: Final answer
    x = 1,500,065.50

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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.