Finding the Fourth Proportional to 7,672,069.60, 10,587,403.95 and 4,234,310.62
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Solution
The fourth proportional to 7,672,069.60, 10,587,403.95 and 4,234,310.62 is: 5,843,319.90
Step by Step Solution
- Step 1: Write the proportion equation
7,672,069.60 : 10,587,403.95 = 4,234,310.62 : x - Step 2: Convert to fraction form
7,672,069.60/10,587,403.95 = 4,234,310.62/x - Step 3: Cross multiply
7,672,069.60x = 10,587,403.95 × 4,234,310.62 - Step 4: Simplify right side
7,672,069.60x = 44,830,356,930,777.93 - Step 5: Solve for x
x = 44,830,356,930,777.93/7,672,069.60 - Step 6: Final answer
x = 5,843,319.90
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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.