Home / 3,111,042-4,293,239.58-1,680,258

Finding the Fourth Proportional to 3,111,042, 4,293,239.58 and 1,680,258

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Solution

The fourth proportional to 3,111,042, 4,293,239.58 and 1,680,258 is: 2,318,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,042 : 4,293,239.58 = 1,680,258 : x
  2. Step 2: Convert to fraction form
    3,111,042/4,293,239.58 = 1,680,258/x
  3. Step 3: Cross multiply
    3,111,042x = 4,293,239.58 × 1,680,258
  4. Step 4: Simplify right side
    3,111,042x = 7,213,750,150,211.64
  5. Step 5: Solve for x
    x = 7,213,750,150,211.64/3,111,042
  6. Step 6: Final answer
    x = 2,318,756.91

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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.