Finding the Fourth Proportional to 7,371,748.90, 11,062,605.60 and 2,579,479.68
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Solution
The fourth proportional to 7,371,748.90, 11,062,605.60 and 2,579,479.68 is: 3,870,962.88
Step by Step Solution
- Step 1: Write the proportion equation
7,371,748.90 : 11,062,605.60 = 2,579,479.68 : x - Step 2: Convert to fraction form
7,371,748.90/11,062,605.60 = 2,579,479.68/x - Step 3: Cross multiply
7,371,748.90x = 11,062,605.60 × 2,579,479.68 - Step 4: Simplify right side
7,371,748.90x = 28,535,766,353,054.21 - Step 5: Solve for x
x = 28,535,766,353,054.21/7,371,748.90 - Step 6: Final answer
x = 3,870,962.88
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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.