Finding the Fourth Proportional to 1,471,302.10, 2,206,953.15 and 1,312,671.70
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Solution
The fourth proportional to 1,471,302.10, 2,206,953.15 and 1,312,671.70 is: 1,969,007.55
Step by Step Solution
- Step 1: Write the proportion equation
1,471,302.10 : 2,206,953.15 = 1,312,671.70 : x - Step 2: Convert to fraction form
1,471,302.10/2,206,953.15 = 1,312,671.70/x - Step 3: Cross multiply
1,471,302.10x = 2,206,953.15 × 1,312,671.70 - Step 4: Simplify right side
1,471,302.10x = 2,897,004,943,230.86 - Step 5: Solve for x
x = 2,897,004,943,230.86/1,471,302.10 - Step 6: Final answer
x = 1,969,007.55
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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.