Finding the Fourth Proportional to 7,460,421.62, 11,190,631.79 and 2,069,071.98
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Solution
The fourth proportional to 7,460,421.62, 11,190,631.79 and 2,069,071.98 is: 3,103,607.79
Step by Step Solution
- Step 1: Write the proportion equation
7,460,421.62 : 11,190,631.79 = 2,069,071.98 : x - Step 2: Convert to fraction form
7,460,421.62/11,190,631.79 = 2,069,071.98/x - Step 3: Cross multiply
7,460,421.62x = 11,190,631.79 × 2,069,071.98 - Step 4: Simplify right side
7,460,421.62x = 23,154,222,638,394.05 - Step 5: Solve for x
x = 23,154,222,638,394.05/7,460,421.62 - Step 6: Final answer
x = 3,103,607.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.