Finding the Fourth Proportional to 3,899,368.68, 5,369,166.18 and 3,413,213.16
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Solution
The fourth proportional to 3,899,368.68, 5,369,166.18 and 3,413,213.16 is: 4,699,763.00
Step by Step Solution
- Step 1: Write the proportion equation
3,899,368.68 : 5,369,166.18 = 3,413,213.16 : x - Step 2: Convert to fraction form
3,899,368.68/5,369,166.18 = 3,413,213.16/x - Step 3: Cross multiply
3,899,368.68x = 5,369,166.18 × 3,413,213.16 - Step 4: Simplify right side
3,899,368.68x = 18,326,108,663,802.93 - Step 5: Solve for x
x = 18,326,108,663,802.93/3,899,368.68 - Step 6: Final answer
x = 4,699,763.00
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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.