Finding the Fourth Proportional to 3,114,898.68, 4,298,552.17 and 1,738,227.74
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Solution
The fourth proportional to 3,114,898.68, 4,298,552.17 and 1,738,227.74 is: 2,398,749.81
Step by Step Solution
- Step 1: Write the proportion equation
3,114,898.68 : 4,298,552.17 = 1,738,227.74 : x - Step 2: Convert to fraction form
3,114,898.68/4,298,552.17 = 1,738,227.74/x - Step 3: Cross multiply
3,114,898.68x = 4,298,552.17 × 1,738,227.74 - Step 4: Simplify right side
3,114,898.68x = 7,471,862,630,132.01 - Step 5: Solve for x
x = 7,471,862,630,132.01/3,114,898.68 - Step 6: Final answer
x = 2,398,749.81
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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.