Home / 1,909,577.55-2,635,164.47-1,050,137.81

Finding the Fourth Proportional to 1,909,577.55, 2,635,164.47 and 1,050,137.81

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Solution

The fourth proportional to 1,909,577.55, 2,635,164.47 and 1,050,137.81 is: 1,449,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,577.55 : 2,635,164.47 = 1,050,137.81 : x
  2. Step 2: Convert to fraction form
    1,909,577.55/2,635,164.47 = 1,050,137.81/x
  3. Step 3: Cross multiply
    1,909,577.55x = 2,635,164.47 × 1,050,137.81
  4. Step 4: Simplify right side
    1,909,577.55x = 2,767,285,845,515.61
  5. Step 5: Solve for x
    x = 2,767,285,845,515.61/1,909,577.55
  6. Step 6: Final answer
    x = 1,449,161.28

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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.