Finding the Fourth Proportional to 6,406,398, 8,840,762.64 and 3,653,533.80
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Solution
The fourth proportional to 6,406,398, 8,840,762.64 and 3,653,533.80 is: 5,041,838.66
Step by Step Solution
- Step 1: Write the proportion equation
6,406,398 : 8,840,762.64 = 3,653,533.80 : x - Step 2: Convert to fraction form
6,406,398/8,840,762.64 = 3,653,533.80/x - Step 3: Cross multiply
6,406,398x = 8,840,762.64 × 3,653,533.80 - Step 4: Simplify right side
6,406,398x = 32,300,025,123,017.23 - Step 5: Solve for x
x = 32,300,025,123,017.23/6,406,398 - Step 6: Final answer
x = 5,041,838.66
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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.