Finding the Fourth Proportional to 2,187,588.07, 3,018,871.60 and 1,207,527.31
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Solution
The fourth proportional to 2,187,588.07, 3,018,871.60 and 1,207,527.31 is: 1,666,387.72
Step by Step Solution
- Step 1: Write the proportion equation
2,187,588.07 : 3,018,871.60 = 1,207,527.31 : x - Step 2: Convert to fraction form
2,187,588.07/3,018,871.60 = 1,207,527.31/x - Step 3: Cross multiply
2,187,588.07x = 3,018,871.60 × 1,207,527.31 - Step 4: Simplify right side
2,187,588.07x = 3,645,369,891,817.40 - Step 5: Solve for x
x = 3,645,369,891,817.40/2,187,588.07 - Step 6: Final answer
x = 1,666,387.72
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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.