Home / 3,319,224.80-4,967,368.40-1,990,482.40

Finding the Fourth Proportional to 3,319,224.80, 4,967,368.40 and 1,990,482.40

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Solution

The fourth proportional to 3,319,224.80, 4,967,368.40 and 1,990,482.40 is: 2,978,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,224.80 : 4,967,368.40 = 1,990,482.40 : x
  2. Step 2: Convert to fraction form
    3,319,224.80/4,967,368.40 = 1,990,482.40/x
  3. Step 3: Cross multiply
    3,319,224.80x = 4,967,368.40 × 1,990,482.40
  4. Step 4: Simplify right side
    3,319,224.80x = 9,887,459,374,516.16
  5. Step 5: Solve for x
    x = 9,887,459,374,516.16/3,319,224.80
  6. Step 6: Final answer
    x = 2,978,845.96

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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.