Home / 1,909,706-2,635,460.52-1,050,331.28

Finding the Fourth Proportional to 1,909,706, 2,635,460.52 and 1,050,331.28

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Solution

The fourth proportional to 1,909,706, 2,635,460.52 and 1,050,331.28 is: 1,449,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,706 : 2,635,460.52 = 1,050,331.28 : x
  2. Step 2: Convert to fraction form
    1,909,706/2,635,460.52 = 1,050,331.28/x
  3. Step 3: Cross multiply
    1,909,706x = 2,635,460.52 × 1,050,331.28
  4. Step 4: Simplify right side
    1,909,706x = 2,768,106,621,361.07
  5. Step 5: Solve for x
    x = 2,768,106,621,361.07/1,909,706
  6. Step 6: Final answer
    x = 1,449,493.60

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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.