Home / 3,056,597.76-4,218,148.59-1,680,068.78

Finding the Fourth Proportional to 3,056,597.76, 4,218,148.59 and 1,680,068.78

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Solution

The fourth proportional to 3,056,597.76, 4,218,148.59 and 1,680,068.78 is: 2,318,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,597.76 : 4,218,148.59 = 1,680,068.78 : x
  2. Step 2: Convert to fraction form
    3,056,597.76/4,218,148.59 = 1,680,068.78/x
  3. Step 3: Cross multiply
    3,056,597.76x = 4,218,148.59 × 1,680,068.78
  4. Step 4: Simplify right side
    3,056,597.76x = 7,086,779,734,369.28
  5. Step 5: Solve for x
    x = 7,086,779,734,369.28/3,056,597.76
  6. Step 6: Final answer
    x = 2,318,518.92

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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.