Home / 1,909,574.78-2,635,160.50-1,050,135.03

Finding the Fourth Proportional to 1,909,574.78, 2,635,160.50 and 1,050,135.03

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Solution

The fourth proportional to 1,909,574.78, 2,635,160.50 and 1,050,135.03 is: 1,449,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,574.78 : 2,635,160.50 = 1,050,135.03 : x
  2. Step 2: Convert to fraction form
    1,909,574.78/2,635,160.50 = 1,050,135.03/x
  3. Step 3: Cross multiply
    1,909,574.78x = 2,635,160.50 × 1,050,135.03
  4. Step 4: Simplify right side
    1,909,574.78x = 2,767,274,362,399.88
  5. Step 5: Solve for x
    x = 2,767,274,362,399.88/1,909,574.78
  6. Step 6: Final answer
    x = 1,449,157.37

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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.