Home / 1,609,770.65-2,220,558.44-1,005,108.89

Finding the Fourth Proportional to 1,609,770.65, 2,220,558.44 and 1,005,108.89

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Solution

The fourth proportional to 1,609,770.65, 2,220,558.44 and 1,005,108.89 is: 1,386,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,770.65 : 2,220,558.44 = 1,005,108.89 : x
  2. Step 2: Convert to fraction form
    1,609,770.65/2,220,558.44 = 1,005,108.89/x
  3. Step 3: Cross multiply
    1,609,770.65x = 2,220,558.44 × 1,005,108.89
  4. Step 4: Simplify right side
    1,609,770.65x = 2,231,903,012,680.19
  5. Step 5: Solve for x
    x = 2,231,903,012,680.19/1,609,770.65
  6. Step 6: Final answer
    x = 1,386,472.68

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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.