Finding the Fourth Proportional to 3,869,408.13, 5,803,464.25 and 1,173,088.63
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Solution
The fourth proportional to 3,869,408.13, 5,803,464.25 and 1,173,088.63 is: 1,759,436.51
Step by Step Solution
- Step 1: Write the proportion equation
3,869,408.13 : 5,803,464.25 = 1,173,088.63 : x - Step 2: Convert to fraction form
3,869,408.13/5,803,464.25 = 1,173,088.63/x - Step 3: Cross multiply
3,869,408.13x = 5,803,464.25 × 1,173,088.63 - Step 4: Simplify right side
3,869,408.13x = 6,807,977,926,286.48 - Step 5: Solve for x
x = 6,807,977,926,286.48/3,869,408.13 - Step 6: Final answer
x = 1,759,436.51
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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.