Home / 3,056,597.19-4,218,147.78-1,680,068.18

Finding the Fourth Proportional to 3,056,597.19, 4,218,147.78 and 1,680,068.18

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Solution

The fourth proportional to 3,056,597.19, 4,218,147.78 and 1,680,068.18 is: 2,318,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,597.19 : 4,218,147.78 = 1,680,068.18 : x
  2. Step 2: Convert to fraction form
    3,056,597.19/4,218,147.78 = 1,680,068.18/x
  3. Step 3: Cross multiply
    3,056,597.19x = 4,218,147.78 × 1,680,068.18
  4. Step 4: Simplify right side
    3,056,597.19x = 7,086,775,842,624.90
  5. Step 5: Solve for x
    x = 7,086,775,842,624.90/3,056,597.19
  6. Step 6: Final answer
    x = 2,318,518.08

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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.