Finding the Fourth Proportional to 5,248,358.22, 7,242,702.07 and 2,957,257.02
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Solution
The fourth proportional to 5,248,358.22, 7,242,702.07 and 2,957,257.02 is: 4,080,996.50
Step by Step Solution
- Step 1: Write the proportion equation
5,248,358.22 : 7,242,702.07 = 2,957,257.02 : x - Step 2: Convert to fraction form
5,248,358.22/7,242,702.07 = 2,957,257.02/x - Step 3: Cross multiply
5,248,358.22x = 7,242,702.07 × 2,957,257.02 - Step 4: Simplify right side
5,248,358.22x = 21,418,531,540,276.03 - Step 5: Solve for x
x = 21,418,531,540,276.03/5,248,358.22 - Step 6: Final answer
x = 4,080,996.50
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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.