Finding the Fourth Proportional to 3,687,736.96, 5,532,417.80 and 1,128,971.28
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Solution
The fourth proportional to 3,687,736.96, 5,532,417.80 and 1,128,971.28 is: 1,693,705.62
Step by Step Solution
- Step 1: Write the proportion equation
3,687,736.96 : 5,532,417.80 = 1,128,971.28 : x - Step 2: Convert to fraction form
3,687,736.96/5,532,417.80 = 1,128,971.28/x - Step 3: Cross multiply
3,687,736.96x = 5,532,417.80 × 1,128,971.28 - Step 4: Simplify right side
3,687,736.96x = 6,245,940,805,160.78 - Step 5: Solve for x
x = 6,245,940,805,160.78/3,687,736.96 - Step 6: Final answer
x = 1,693,705.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.