Finding the Fourth Proportional to 6,487,553.67, 8,952,712.97 and 4,630,388.85
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Solution
The fourth proportional to 6,487,553.67, 8,952,712.97 and 4,630,388.85 is: 6,389,857.32
Step by Step Solution
- Step 1: Write the proportion equation
6,487,553.67 : 8,952,712.97 = 4,630,388.85 : x - Step 2: Convert to fraction form
6,487,553.67/8,952,712.97 = 4,630,388.85/x - Step 3: Cross multiply
6,487,553.67x = 8,952,712.97 × 4,630,388.85 - Step 4: Simplify right side
6,487,553.67x = 41,454,542,290,386.44 - Step 5: Solve for x
x = 41,454,542,290,386.44/6,487,553.67 - Step 6: Final answer
x = 6,389,857.32
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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.