Finding the Fourth Proportional to 5,455,526.40, 8,183,617.20 and 1,669,042.08
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Solution
The fourth proportional to 5,455,526.40, 8,183,617.20 and 1,669,042.08 is: 2,503,663.34
Step by Step Solution
- Step 1: Write the proportion equation
5,455,526.40 : 8,183,617.20 = 1,669,042.08 : x - Step 2: Convert to fraction form
5,455,526.40/8,183,617.20 = 1,669,042.08/x - Step 3: Cross multiply
5,455,526.40x = 8,183,617.20 × 1,669,042.08 - Step 4: Simplify right side
5,455,526.40x = 13,658,801,473,411.78 - Step 5: Solve for x
x = 13,658,801,473,411.78/5,455,526.40 - Step 6: Final answer
x = 2,503,663.34
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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.