Home / 1,946,660.76-2,686,126.44-1,087,111.44

Finding the Fourth Proportional to 1,946,660.76, 2,686,126.44 and 1,087,111.44

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Solution

The fourth proportional to 1,946,660.76, 2,686,126.44 and 1,087,111.44 is: 1,500,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,660.76 : 2,686,126.44 = 1,087,111.44 : x
  2. Step 2: Convert to fraction form
    1,946,660.76/2,686,126.44 = 1,087,111.44/x
  3. Step 3: Cross multiply
    1,946,660.76x = 2,686,126.44 × 1,087,111.44
  4. Step 4: Simplify right side
    1,946,660.76x = 2,920,118,782,210.47
  5. Step 5: Solve for x
    x = 2,920,118,782,210.47/1,946,660.76
  6. Step 6: Final answer
    x = 1,500,065.57

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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.