Home / 2,988,888.58-4,124,645.31-1,699,728.76

Finding the Fourth Proportional to 2,988,888.58, 4,124,645.31 and 1,699,728.76

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Solution

The fourth proportional to 2,988,888.58, 4,124,645.31 and 1,699,728.76 is: 2,345,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,888.58 : 4,124,645.31 = 1,699,728.76 : x
  2. Step 2: Convert to fraction form
    2,988,888.58/4,124,645.31 = 1,699,728.76/x
  3. Step 3: Cross multiply
    2,988,888.58x = 4,124,645.31 × 1,699,728.76
  4. Step 4: Simplify right side
    2,988,888.58x = 7,010,778,258,206.12
  5. Step 5: Solve for x
    x = 7,010,778,258,206.12/2,988,888.58
  6. Step 6: Final answer
    x = 2,345,613.79

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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.