Home / 1,662,815.36-2,293,154.88-1,089,647.36

Finding the Fourth Proportional to 1,662,815.36, 2,293,154.88 and 1,089,647.36

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Solution

The fourth proportional to 1,662,815.36, 2,293,154.88 and 1,089,647.36 is: 1,502,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,815.36 : 2,293,154.88 = 1,089,647.36 : x
  2. Step 2: Convert to fraction form
    1,662,815.36/2,293,154.88 = 1,089,647.36/x
  3. Step 3: Cross multiply
    1,662,815.36x = 2,293,154.88 × 1,089,647.36
  4. Step 4: Simplify right side
    1,662,815.36x = 2,498,730,161,063.12
  5. Step 5: Solve for x
    x = 2,498,730,161,063.12/1,662,815.36
  6. Step 6: Final answer
    x = 1,502,710.54

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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.