Finding the Fourth Proportional to 6,390,570.18, 9,590,616.33 and 4,689,110.17
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Solution
The fourth proportional to 6,390,570.18, 9,590,616.33 and 4,689,110.17 is: 7,037,158.70
Step by Step Solution
- Step 1: Write the proportion equation
6,390,570.18 : 9,590,616.33 = 4,689,110.17 : x - Step 2: Convert to fraction form
6,390,570.18/9,590,616.33 = 4,689,110.17/x - Step 3: Cross multiply
6,390,570.18x = 9,590,616.33 × 4,689,110.17 - Step 4: Simplify right side
6,390,570.18x = 44,971,456,569,571.08 - Step 5: Solve for x
x = 44,971,456,569,571.08/6,390,570.18 - Step 6: Final answer
x = 7,037,158.70
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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.