Finding the Fourth Proportional to 2,187,569.92, 3,019,018.36 and 1,207,703.70
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Solution
The fourth proportional to 2,187,569.92, 3,019,018.36 and 1,207,703.70 is: 1,666,725.99
Step by Step Solution
- Step 1: Write the proportion equation
2,187,569.92 : 3,019,018.36 = 1,207,703.70 : x - Step 2: Convert to fraction form
2,187,569.92/3,019,018.36 = 1,207,703.70/x - Step 3: Cross multiply
2,187,569.92x = 3,019,018.36 × 1,207,703.70 - Step 4: Simplify right side
2,187,569.92x = 3,646,079,643,739.93 - Step 5: Solve for x
x = 3,646,079,643,739.93/2,187,569.92 - Step 6: Final answer
x = 1,666,725.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.