Home / 1,999,333.89-2,759,012.15-1,140,170.67

Finding the Fourth Proportional to 1,999,333.89, 2,759,012.15 and 1,140,170.67

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Solution

The fourth proportional to 1,999,333.89, 2,759,012.15 and 1,140,170.67 is: 1,573,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,333.89 : 2,759,012.15 = 1,140,170.67 : x
  2. Step 2: Convert to fraction form
    1,999,333.89/2,759,012.15 = 1,140,170.67/x
  3. Step 3: Cross multiply
    1,999,333.89x = 2,759,012.15 × 1,140,170.67
  4. Step 4: Simplify right side
    1,999,333.89x = 3,145,744,725,902.79
  5. Step 5: Solve for x
    x = 3,145,744,725,902.79/1,999,333.89
  6. Step 6: Final answer
    x = 1,573,396.39

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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.