Finding the Fourth Proportional to 5,625,967.15, 7,763,858.43 and 3,047,647.91
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Solution
The fourth proportional to 5,625,967.15, 7,763,858.43 and 3,047,647.91 is: 4,205,766.99
Step by Step Solution
- Step 1: Write the proportion equation
5,625,967.15 : 7,763,858.43 = 3,047,647.91 : x - Step 2: Convert to fraction form
5,625,967.15/7,763,858.43 = 3,047,647.91/x - Step 3: Cross multiply
5,625,967.15x = 7,763,858.43 × 3,047,647.91 - Step 4: Simplify right side
5,625,967.15x = 23,661,506,917,725.38 - Step 5: Solve for x
x = 23,661,506,917,725.38/5,625,967.15 - Step 6: Final answer
x = 4,205,766.99
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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.