Finding the Fourth Proportional to 5,328,020.10, 7,992,030.15 and 4,839,881.70
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Solution
The fourth proportional to 5,328,020.10, 7,992,030.15 and 4,839,881.70 is: 7,259,822.55
Step by Step Solution
- Step 1: Write the proportion equation
5,328,020.10 : 7,992,030.15 = 4,839,881.70 : x - Step 2: Convert to fraction form
5,328,020.10/7,992,030.15 = 4,839,881.70/x - Step 3: Cross multiply
5,328,020.10x = 7,992,030.15 × 4,839,881.70 - Step 4: Simplify right side
5,328,020.10x = 38,680,480,468,833.26 - Step 5: Solve for x
x = 38,680,480,468,833.26/5,328,020.10 - Step 6: Final answer
x = 7,259,822.55
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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.