Finding the Fourth Proportional to 3,602,197.13, 4,971,071.28 and 1,970,569.46
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Solution
The fourth proportional to 3,602,197.13, 4,971,071.28 and 1,970,569.46 is: 2,719,407.32
Step by Step Solution
- Step 1: Write the proportion equation
3,602,197.13 : 4,971,071.28 = 1,970,569.46 : x - Step 2: Convert to fraction form
3,602,197.13/4,971,071.28 = 1,970,569.46/x - Step 3: Cross multiply
3,602,197.13x = 4,971,071.28 × 1,970,569.46 - Step 4: Simplify right side
3,602,197.13x = 9,795,841,239,706.15 - Step 5: Solve for x
x = 9,795,841,239,706.15/3,602,197.13 - Step 6: Final answer
x = 2,719,407.32
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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.