Finding the Fourth Proportional to 2,389,903.05, 3,298,024.52 and 1,302,183.63
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Solution
The fourth proportional to 2,389,903.05, 3,298,024.52 and 1,302,183.63 is: 1,796,990.69
Step by Step Solution
- Step 1: Write the proportion equation
2,389,903.05 : 3,298,024.52 = 1,302,183.63 : x - Step 2: Convert to fraction form
2,389,903.05/3,298,024.52 = 1,302,183.63/x - Step 3: Cross multiply
2,389,903.05x = 3,298,024.52 × 1,302,183.63 - Step 4: Simplify right side
2,389,903.05x = 4,294,633,534,771.69 - Step 5: Solve for x
x = 4,294,633,534,771.69/2,389,903.05 - Step 6: Final answer
x = 1,796,990.69
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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.