Finding the Fourth Proportional to 5,306,425.14, 7,320,740.48 and 3,345,658.45
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Solution
The fourth proportional to 5,306,425.14, 7,320,740.48 and 3,345,658.45 is: 4,615,668.09
Step by Step Solution
- Step 1: Write the proportion equation
5,306,425.14 : 7,320,740.48 = 3,345,658.45 : x - Step 2: Convert to fraction form
5,306,425.14/7,320,740.48 = 3,345,658.45/x - Step 3: Cross multiply
5,306,425.14x = 7,320,740.48 × 3,345,658.45 - Step 4: Simplify right side
5,306,425.14x = 24,492,697,224,685.13 - Step 5: Solve for x
x = 24,492,697,224,685.13/5,306,425.14 - Step 6: Final answer
x = 4,615,668.09
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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.