Finding the Fourth Proportional to 1,316,125.08, 1,974,917.16 and 642,211.96
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Solution
The fourth proportional to 1,316,125.08, 1,974,917.16 and 642,211.96 is: 963,673.92
Step by Step Solution
- Step 1: Write the proportion equation
1,316,125.08 : 1,974,917.16 = 642,211.96 : x - Step 2: Convert to fraction form
1,316,125.08/1,974,917.16 = 642,211.96/x - Step 3: Cross multiply
1,316,125.08x = 1,974,917.16 × 642,211.96 - Step 4: Simplify right side
1,316,125.08x = 1,268,315,420,161.23 - Step 5: Solve for x
x = 1,268,315,420,161.23/1,316,125.08 - Step 6: Final answer
x = 963,673.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.