Finding the Fourth Proportional to 6,388,533.74, 8,816,130.52 and 3,487,924.62
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Solution
The fourth proportional to 6,388,533.74, 8,816,130.52 and 3,487,924.62 is: 4,813,310.84
Step by Step Solution
- Step 1: Write the proportion equation
6,388,533.74 : 8,816,130.52 = 3,487,924.62 : x - Step 2: Convert to fraction form
6,388,533.74/8,816,130.52 = 3,487,924.62/x - Step 3: Cross multiply
6,388,533.74x = 8,816,130.52 × 3,487,924.62 - Step 4: Simplify right side
6,388,533.74x = 30,749,998,693,841.40 - Step 5: Solve for x
x = 30,749,998,693,841.40/6,388,533.74 - Step 6: Final answer
x = 4,813,310.84
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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.