Finding the Fourth Proportional to 5,347,689.36, 7,379,823.48 and 3,055,844.58
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Solution
The fourth proportional to 5,347,689.36, 7,379,823.48 and 3,055,844.58 is: 4,217,072.47
Step by Step Solution
- Step 1: Write the proportion equation
5,347,689.36 : 7,379,823.48 = 3,055,844.58 : x - Step 2: Convert to fraction form
5,347,689.36/7,379,823.48 = 3,055,844.58/x - Step 3: Cross multiply
5,347,689.36x = 7,379,823.48 × 3,055,844.58 - Step 4: Simplify right side
5,347,689.36x = 22,551,593,582,714.74 - Step 5: Solve for x
x = 22,551,593,582,714.74/5,347,689.36 - Step 6: Final answer
x = 4,217,072.47
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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.