Finding the Fourth Proportional to 7,290,579.99, 10,935,830.34 and 2,972,613.36
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Solution
The fourth proportional to 7,290,579.99, 10,935,830.34 and 2,972,613.36 is: 4,458,903.88
Step by Step Solution
- Step 1: Write the proportion equation
7,290,579.99 : 10,935,830.34 = 2,972,613.36 : x - Step 2: Convert to fraction form
7,290,579.99/10,935,830.34 = 2,972,613.36/x - Step 3: Cross multiply
7,290,579.99x = 10,935,830.34 × 2,972,613.36 - Step 4: Simplify right side
7,290,579.99x = 32,507,995,371,377.34 - Step 5: Solve for x
x = 32,507,995,371,377.34/7,290,579.99 - Step 6: Final answer
x = 4,458,903.88
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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.