Home / 3,157,786.69-4,357,742.56-1,707,478.65

Finding the Fourth Proportional to 3,157,786.69, 4,357,742.56 and 1,707,478.65

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Solution

The fourth proportional to 3,157,786.69, 4,357,742.56 and 1,707,478.65 is: 2,356,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,786.69 : 4,357,742.56 = 1,707,478.65 : x
  2. Step 2: Convert to fraction form
    3,157,786.69/4,357,742.56 = 1,707,478.65/x
  3. Step 3: Cross multiply
    3,157,786.69x = 4,357,742.56 × 1,707,478.65
  4. Step 4: Simplify right side
    3,157,786.69x = 7,440,752,379,127.65
  5. Step 5: Solve for x
    x = 7,440,752,379,127.65/3,157,786.69
  6. Step 6: Final answer
    x = 2,356,318.88

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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.