Home / 1,681,173-2,320,018.74-1,077,561

Finding the Fourth Proportional to 1,681,173, 2,320,018.74 and 1,077,561

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Solution

The fourth proportional to 1,681,173, 2,320,018.74 and 1,077,561 is: 1,487,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,173 : 2,320,018.74 = 1,077,561 : x
  2. Step 2: Convert to fraction form
    1,681,173/2,320,018.74 = 1,077,561/x
  3. Step 3: Cross multiply
    1,681,173x = 2,320,018.74 × 1,077,561
  4. Step 4: Simplify right side
    1,681,173x = 2,499,961,713,493.14
  5. Step 5: Solve for x
    x = 2,499,961,713,493.14/1,681,173
  6. Step 6: Final answer
    x = 1,487,034.18

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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.