Home / 3,009,918.88-4,153,472.40-1,720,813.60

Finding the Fourth Proportional to 3,009,918.88, 4,153,472.40 and 1,720,813.60

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Solution

The fourth proportional to 3,009,918.88, 4,153,472.40 and 1,720,813.60 is: 2,374,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,918.88 : 4,153,472.40 = 1,720,813.60 : x
  2. Step 2: Convert to fraction form
    3,009,918.88/4,153,472.40 = 1,720,813.60/x
  3. Step 3: Cross multiply
    3,009,918.88x = 4,153,472.40 × 1,720,813.60
  4. Step 4: Simplify right side
    3,009,918.88x = 7,147,351,793,144.64
  5. Step 5: Solve for x
    x = 7,147,351,793,144.64/3,009,918.88
  6. Step 6: Final answer
    x = 2,374,599.48

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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.