Finding the Fourth Proportional to 1,316,343.57, 1,974,589.21 and 369,640.47
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Solution
The fourth proportional to 1,316,343.57, 1,974,589.21 and 369,640.47 is: 554,481.44
Step by Step Solution
- Step 1: Write the proportion equation
1,316,343.57 : 1,974,589.21 = 369,640.47 : x - Step 2: Convert to fraction form
1,316,343.57/1,974,589.21 = 369,640.47/x - Step 3: Cross multiply
1,316,343.57x = 1,974,589.21 × 369,640.47 - Step 4: Simplify right side
1,316,343.57x = 729,888,081,793.13 - Step 5: Solve for x
x = 729,888,081,793.13/1,316,343.57 - Step 6: Final answer
x = 554,481.44
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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.