Home / 1,888,418.61-2,833,465.23-989,646.66

Finding the Fourth Proportional to 1,888,418.61, 2,833,465.23 and 989,646.66

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Solution

The fourth proportional to 1,888,418.61, 2,833,465.23 and 989,646.66 is: 1,484,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,418.61 : 2,833,465.23 = 989,646.66 : x
  2. Step 2: Convert to fraction form
    1,888,418.61/2,833,465.23 = 989,646.66/x
  3. Step 3: Cross multiply
    1,888,418.61x = 2,833,465.23 × 989,646.66
  4. Step 4: Simplify right side
    1,888,418.61x = 2,804,129,401,095.63
  5. Step 5: Solve for x
    x = 2,804,129,401,095.63/1,888,418.61
  6. Step 6: Final answer
    x = 1,484,908.79

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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.