Home / 3,114,606.20-4,670,987.70-1,220,257.40

Finding the Fourth Proportional to 3,114,606.20, 4,670,987.70 and 1,220,257.40

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Solution

The fourth proportional to 3,114,606.20, 4,670,987.70 and 1,220,257.40 is: 1,830,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,606.20 : 4,670,987.70 = 1,220,257.40 : x
  2. Step 2: Convert to fraction form
    3,114,606.20/4,670,987.70 = 1,220,257.40/x
  3. Step 3: Cross multiply
    3,114,606.20x = 4,670,987.70 × 1,220,257.40
  4. Step 4: Simplify right side
    3,114,606.20x = 5,699,807,306,233.98
  5. Step 5: Solve for x
    x = 5,699,807,306,233.98/3,114,606.20
  6. Step 6: Final answer
    x = 1,830,025.03

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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.