Finding the Fourth Proportional to 5,298,035.80, 7,311,303.66 and 3,006,190.48
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Solution
The fourth proportional to 5,298,035.80, 7,311,303.66 and 3,006,190.48 is: 4,148,550.95
Step by Step Solution
- Step 1: Write the proportion equation
5,298,035.80 : 7,311,303.66 = 3,006,190.48 : x - Step 2: Convert to fraction form
5,298,035.80/7,311,303.66 = 3,006,190.48/x - Step 3: Cross multiply
5,298,035.80x = 7,311,303.66 × 3,006,190.48 - Step 4: Simplify right side
5,298,035.80x = 21,979,171,459,081.16 - Step 5: Solve for x
x = 21,979,171,459,081.16/5,298,035.80 - Step 6: Final answer
x = 4,148,550.95
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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.