Home / 3,319,264.80-4,967,428.40-1,990,522.40

Finding the Fourth Proportional to 3,319,264.80, 4,967,428.40 and 1,990,522.40

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Solution

The fourth proportional to 3,319,264.80, 4,967,428.40 and 1,990,522.40 is: 2,978,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,264.80 : 4,967,428.40 = 1,990,522.40 : x
  2. Step 2: Convert to fraction form
    3,319,264.80/4,967,428.40 = 1,990,522.40/x
  3. Step 3: Cross multiply
    3,319,264.80x = 4,967,428.40 × 1,990,522.40
  4. Step 4: Simplify right side
    3,319,264.80x = 9,887,777,500,596.16
  5. Step 5: Solve for x
    x = 9,887,777,500,596.16/3,319,264.80
  6. Step 6: Final answer
    x = 2,978,905.90

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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.