Finding the Fourth Proportional to 5,398,671.12, 7,410,509.50 and 4,773,120.78
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Solution
The fourth proportional to 5,398,671.12, 7,410,509.50 and 4,773,120.78 is: 6,551,845.09
Step by Step Solution
- Step 1: Write the proportion equation
5,398,671.12 : 7,410,509.50 = 4,773,120.78 : x - Step 2: Convert to fraction form
5,398,671.12/7,410,509.50 = 4,773,120.78/x - Step 3: Cross multiply
5,398,671.12x = 7,410,509.50 × 4,773,120.78 - Step 4: Simplify right side
5,398,671.12x = 35,371,256,884,837.41 - Step 5: Solve for x
x = 35,371,256,884,837.41/5,398,671.12 - Step 6: Final answer
x = 6,551,845.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.