Finding the Fourth Proportional to 2,345,088.78, 3,517,772.58 and 905,783.07
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Solution
The fourth proportional to 2,345,088.78, 3,517,772.58 and 905,783.07 is: 1,358,728.45
Step by Step Solution
- Step 1: Write the proportion equation
2,345,088.78 : 3,517,772.58 = 905,783.07 : x - Step 2: Convert to fraction form
2,345,088.78/3,517,772.58 = 905,783.07/x - Step 3: Cross multiply
2,345,088.78x = 3,517,772.58 × 905,783.07 - Step 4: Simplify right side
2,345,088.78x = 3,186,338,847,074.22 - Step 5: Solve for x
x = 3,186,338,847,074.22/2,345,088.78 - Step 6: Final answer
x = 1,358,728.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.