Finding the Fourth Proportional to 1,986,927.50, 2,980,835.49 and 724,755.08
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Solution
The fourth proportional to 1,986,927.50, 2,980,835.49 and 724,755.08 is: 1,087,294.66
Step by Step Solution
- Step 1: Write the proportion equation
1,986,927.50 : 2,980,835.49 = 724,755.08 : x - Step 2: Convert to fraction form
1,986,927.50/2,980,835.49 = 724,755.08/x - Step 3: Cross multiply
1,986,927.50x = 2,980,835.49 × 724,755.08 - Step 4: Simplify right side
1,986,927.50x = 2,160,375,664,021.79 - Step 5: Solve for x
x = 2,160,375,664,021.79/1,986,927.50 - Step 6: Final answer
x = 1,087,294.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.