Home / 2,687,347.78-4,030,996.59-1,089,531.05

Finding the Fourth Proportional to 2,687,347.78, 4,030,996.59 and 1,089,531.05

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Solution

The fourth proportional to 2,687,347.78, 4,030,996.59 and 1,089,531.05 is: 1,634,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,347.78 : 4,030,996.59 = 1,089,531.05 : x
  2. Step 2: Convert to fraction form
    2,687,347.78/4,030,996.59 = 1,089,531.05/x
  3. Step 3: Cross multiply
    2,687,347.78x = 4,030,996.59 × 1,089,531.05
  4. Step 4: Simplify right side
    2,687,347.78x = 4,391,895,927,094.14
  5. Step 5: Solve for x
    x = 4,391,895,927,094.14/2,687,347.78
  6. Step 6: Final answer
    x = 1,634,286.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.