Finding the Fourth Proportional to 7,324,552.80, 10,979,053.20 and 3,535,567.20
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Solution
The fourth proportional to 7,324,552.80, 10,979,053.20 and 3,535,567.20 is: 5,299,597.32
Step by Step Solution
- Step 1: Write the proportion equation
7,324,552.80 : 10,979,053.20 = 3,535,567.20 : x - Step 2: Convert to fraction form
7,324,552.80/10,979,053.20 = 3,535,567.20/x - Step 3: Cross multiply
7,324,552.80x = 10,979,053.20 × 3,535,567.20 - Step 4: Simplify right side
7,324,552.80x = 38,817,180,380,975.04 - Step 5: Solve for x
x = 38,817,180,380,975.04/7,324,552.80 - Step 6: Final answer
x = 5,299,597.32
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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.