Finding the Fourth Proportional to 5,684,670, 7,844,865.21 and 3,106,351.01
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Solution
The fourth proportional to 5,684,670, 7,844,865.21 and 3,106,351.01 is: 4,286,775.65
Step by Step Solution
- Step 1: Write the proportion equation
5,684,670 : 7,844,865.21 = 3,106,351.01 : x - Step 2: Convert to fraction form
5,684,670/7,844,865.21 = 3,106,351.01/x - Step 3: Cross multiply
5,684,670x = 7,844,865.21 × 3,106,351.01 - Step 4: Simplify right side
5,684,670x = 24,368,904,929,173.04 - Step 5: Solve for x
x = 24,368,904,929,173.04/5,684,670 - Step 6: Final answer
x = 4,286,775.65
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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.