Finding the Fourth Proportional to 7,175,705.70, 10,763,601.37 and 1,784,356.12
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Solution
The fourth proportional to 7,175,705.70, 10,763,601.37 and 1,784,356.12 is: 2,676,544.83
Step by Step Solution
- Step 1: Write the proportion equation
7,175,705.70 : 10,763,601.37 = 1,784,356.12 : x - Step 2: Convert to fraction form
7,175,705.70/10,763,601.37 = 1,784,356.12/x - Step 3: Cross multiply
7,175,705.70x = 10,763,601.37 × 1,784,356.12 - Step 4: Simplify right side
7,175,705.70x = 19,206,098,000,248.00 - Step 5: Solve for x
x = 19,206,098,000,248.00/7,175,705.70 - Step 6: Final answer
x = 2,676,544.83
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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.