Finding the Fourth Proportional to 6,406,248.60, 8,840,623.76 and 3,505,640.08
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Solution
The fourth proportional to 6,406,248.60, 8,840,623.76 and 3,505,640.08 is: 4,837,783.69
Step by Step Solution
- Step 1: Write the proportion equation
6,406,248.60 : 8,840,623.76 = 3,505,640.08 : x - Step 2: Convert to fraction form
6,406,248.60/8,840,623.76 = 3,505,640.08/x - Step 3: Cross multiply
6,406,248.60x = 8,840,623.76 × 3,505,640.08 - Step 4: Simplify right side
6,406,248.60x = 30,992,044,985,256.30 - Step 5: Solve for x
x = 30,992,044,985,256.30/6,406,248.60 - Step 6: Final answer
x = 4,837,783.69
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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.