Home / 1,788,888.69-2,681,921.74-889,839.72

Finding the Fourth Proportional to 1,788,888.69, 2,681,921.74 and 889,839.72

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Solution

The fourth proportional to 1,788,888.69, 2,681,921.74 and 889,839.72 is: 1,334,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,888.69 : 2,681,921.74 = 889,839.72 : x
  2. Step 2: Convert to fraction form
    1,788,888.69/2,681,921.74 = 889,839.72/x
  3. Step 3: Cross multiply
    1,788,888.69x = 2,681,921.74 × 889,839.72
  4. Step 4: Simplify right side
    1,788,888.69x = 2,386,480,490,183.51
  5. Step 5: Solve for x
    x = 2,386,480,490,183.51/1,788,888.69
  6. Step 6: Final answer
    x = 1,334,057.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.