Finding the Fourth Proportional to 4,170,070.78, 5,755,386.21 and 2,862,248.42
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Solution
The fourth proportional to 4,170,070.78, 5,755,386.21 and 2,862,248.42 is: 3,950,375.42
Step by Step Solution
- Step 1: Write the proportion equation
4,170,070.78 : 5,755,386.21 = 2,862,248.42 : x - Step 2: Convert to fraction form
4,170,070.78/5,755,386.21 = 2,862,248.42/x - Step 3: Cross multiply
4,170,070.78x = 5,755,386.21 × 2,862,248.42 - Step 4: Simplify right side
4,170,070.78x = 16,473,345,071,751.04 - Step 5: Solve for x
x = 16,473,345,071,751.04/4,170,070.78 - Step 6: Final answer
x = 3,950,375.42
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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.