Home / 1,888,384.30-2,833,413.60-989,612.38

Finding the Fourth Proportional to 1,888,384.30, 2,833,413.60 and 989,612.38

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Solution

The fourth proportional to 1,888,384.30, 2,833,413.60 and 989,612.38 is: 1,484,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,384.30 : 2,833,413.60 = 989,612.38 : x
  2. Step 2: Convert to fraction form
    1,888,384.30/2,833,413.60 = 989,612.38/x
  3. Step 3: Cross multiply
    1,888,384.30x = 2,833,413.60 × 989,612.38
  4. Step 4: Simplify right side
    1,888,384.30x = 2,803,981,176,220.37
  5. Step 5: Solve for x
    x = 2,803,981,176,220.37/1,888,384.30
  6. Step 6: Final answer
    x = 1,484,857.28

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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.