Finding the Fourth Proportional to 2,268,073.20, 3,129,939.93 and 1,249,477.95
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Solution
The fourth proportional to 2,268,073.20, 3,129,939.93 and 1,249,477.95 is: 1,724,278.97
Step by Step Solution
- Step 1: Write the proportion equation
2,268,073.20 : 3,129,939.93 = 1,249,477.95 : x - Step 2: Convert to fraction form
2,268,073.20/3,129,939.93 = 1,249,477.95/x - Step 3: Cross multiply
2,268,073.20x = 3,129,939.93 × 1,249,477.95 - Step 4: Simplify right side
2,268,073.20x = 3,910,790,927,359.54 - Step 5: Solve for x
x = 3,910,790,927,359.54/2,268,073.20 - Step 6: Final answer
x = 1,724,278.97
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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.