Finding the Fourth Proportional to 5,163,331.20, 7,736,904.77 and 3,266,064.96
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Solution
The fourth proportional to 5,163,331.20, 7,736,904.77 and 3,266,064.96 is: 4,893,978.82
Step by Step Solution
- Step 1: Write the proportion equation
5,163,331.20 : 7,736,904.77 = 3,266,064.96 : x - Step 2: Convert to fraction form
5,163,331.20/7,736,904.77 = 3,266,064.96/x - Step 3: Cross multiply
5,163,331.20x = 7,736,904.77 × 3,266,064.96 - Step 4: Simplify right side
5,163,331.20x = 25,269,233,551,823.53 - Step 5: Solve for x
x = 25,269,233,551,823.53/5,163,331.20 - Step 6: Final answer
x = 4,893,978.82
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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.