Home / 2,415,809.80-3,623,701.90-618,689.80

Finding the Fourth Proportional to 2,415,809.80, 3,623,701.90 and 618,689.80

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Solution

The fourth proportional to 2,415,809.80, 3,623,701.90 and 618,689.80 is: 928,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,809.80 : 3,623,701.90 = 618,689.80 : x
  2. Step 2: Convert to fraction form
    2,415,809.80/3,623,701.90 = 618,689.80/x
  3. Step 3: Cross multiply
    2,415,809.80x = 3,623,701.90 × 618,689.80
  4. Step 4: Simplify right side
    2,415,809.80x = 2,241,947,403,770.62
  5. Step 5: Solve for x
    x = 2,241,947,403,770.62/2,415,809.80
  6. Step 6: Final answer
    x = 928,031.42

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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.