Home / 1,904,889.31-2,628,749.03-1,089,110.08

Finding the Fourth Proportional to 1,904,889.31, 2,628,749.03 and 1,089,110.08

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Solution

The fourth proportional to 1,904,889.31, 2,628,749.03 and 1,089,110.08 is: 1,502,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,889.31 : 2,628,749.03 = 1,089,110.08 : x
  2. Step 2: Convert to fraction form
    1,904,889.31/2,628,749.03 = 1,089,110.08/x
  3. Step 3: Cross multiply
    1,904,889.31x = 2,628,749.03 × 1,089,110.08
  4. Step 4: Simplify right side
    1,904,889.31x = 2,862,997,064,672.75
  5. Step 5: Solve for x
    x = 2,862,997,064,672.75/1,904,889.31
  6. Step 6: Final answer
    x = 1,502,972.93

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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.