Home / 1,911,644.56-2,638,048.44-1,052,186.32

Finding the Fourth Proportional to 1,911,644.56, 2,638,048.44 and 1,052,186.32

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Solution

The fourth proportional to 1,911,644.56, 2,638,048.44 and 1,052,186.32 is: 1,452,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,644.56 : 2,638,048.44 = 1,052,186.32 : x
  2. Step 2: Convert to fraction form
    1,911,644.56/2,638,048.44 = 1,052,186.32/x
  3. Step 3: Cross multiply
    1,911,644.56x = 2,638,048.44 × 1,052,186.32
  4. Step 4: Simplify right side
    1,911,644.56x = 2,775,718,480,065.34
  5. Step 5: Solve for x
    x = 2,775,718,480,065.34/1,911,644.56
  6. Step 6: Final answer
    x = 1,452,005.53

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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.