Finding the Fourth Proportional to 3,915,611.01, 5,403,545.17 and 2,173,281.13
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Solution
The fourth proportional to 3,915,611.01, 5,403,545.17 and 2,173,281.13 is: 2,999,129.06
Step by Step Solution
- Step 1: Write the proportion equation
3,915,611.01 : 5,403,545.17 = 2,173,281.13 : x - Step 2: Convert to fraction form
3,915,611.01/5,403,545.17 = 2,173,281.13/x - Step 3: Cross multiply
3,915,611.01x = 5,403,545.17 × 2,173,281.13 - Step 4: Simplify right side
3,915,611.01x = 11,743,422,754,384.87 - Step 5: Solve for x
x = 11,743,422,754,384.87/3,915,611.01 - Step 6: Final answer
x = 2,999,129.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.