Finding the Fourth Proportional to 5,447,816.24, 7,517,430.05 and 3,354,326.28
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Solution
The fourth proportional to 5,447,816.24, 7,517,430.05 and 3,354,326.28 is: 4,628,627.71
Step by Step Solution
- Step 1: Write the proportion equation
5,447,816.24 : 7,517,430.05 = 3,354,326.28 : x - Step 2: Convert to fraction form
5,447,816.24/7,517,430.05 = 3,354,326.28/x - Step 3: Cross multiply
5,447,816.24x = 7,517,430.05 × 3,354,326.28 - Step 4: Simplify right side
5,447,816.24x = 25,215,913,158,005.08 - Step 5: Solve for x
x = 25,215,913,158,005.08/5,447,816.24 - Step 6: Final answer
x = 4,628,627.71
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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.