Finding the Fourth Proportional to 2,406,221.54, 3,320,586.42 and 1,318,484.24
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Solution
The fourth proportional to 2,406,221.54, 3,320,586.42 and 1,318,484.24 is: 1,819,508.63
Step by Step Solution
- Step 1: Write the proportion equation
2,406,221.54 : 3,320,586.42 = 1,318,484.24 : x - Step 2: Convert to fraction form
2,406,221.54/3,320,586.42 = 1,318,484.24/x - Step 3: Cross multiply
2,406,221.54x = 3,320,586.42 × 1,318,484.24 - Step 4: Simplify right side
2,406,221.54x = 4,378,140,862,328.02 - Step 5: Solve for x
x = 4,378,140,862,328.02/2,406,221.54 - Step 6: Final answer
x = 1,819,508.63
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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.