Finding the Fourth Proportional to 4,386,247.48, 6,047,068.80 and 3,077,721.64
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Solution
The fourth proportional to 4,386,247.48, 6,047,068.80 and 3,077,721.64 is: 4,243,078.98
Step by Step Solution
- Step 1: Write the proportion equation
4,386,247.48 : 6,047,068.80 = 3,077,721.64 : x - Step 2: Convert to fraction form
4,386,247.48/6,047,068.80 = 3,077,721.64/x - Step 3: Cross multiply
4,386,247.48x = 6,047,068.80 × 3,077,721.64 - Step 4: Simplify right side
4,386,247.48x = 18,611,194,504,328.83 - Step 5: Solve for x
x = 18,611,194,504,328.83/4,386,247.48 - Step 6: Final answer
x = 4,243,078.98
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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.