Finding the Fourth Proportional to 2,948,144.68, 4,070,656.80 and 2,901,062.08
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Solution
The fourth proportional to 2,948,144.68, 4,070,656.80 and 2,901,062.08 is: 4,005,647.40
Step by Step Solution
- Step 1: Write the proportion equation
2,948,144.68 : 4,070,656.80 = 2,901,062.08 : x - Step 2: Convert to fraction form
2,948,144.68/4,070,656.80 = 2,901,062.08/x - Step 3: Cross multiply
2,948,144.68x = 4,070,656.80 × 2,901,062.08 - Step 4: Simplify right side
2,948,144.68x = 11,809,228,083,174.14 - Step 5: Solve for x
x = 11,809,228,083,174.14/2,948,144.68 - Step 6: Final answer
x = 4,005,647.40
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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.