Finding the Fourth Proportional to 2,278,703.10, 3,144,996.96 and 1,312,392.84
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Solution
The fourth proportional to 2,278,703.10, 3,144,996.96 and 1,312,392.84 is: 1,811,324.82
Step by Step Solution
- Step 1: Write the proportion equation
2,278,703.10 : 3,144,996.96 = 1,312,392.84 : x - Step 2: Convert to fraction form
2,278,703.10/3,144,996.96 = 1,312,392.84/x - Step 3: Cross multiply
2,278,703.10x = 3,144,996.96 × 1,312,392.84 - Step 4: Simplify right side
2,278,703.10x = 4,127,471,492,125.77 - Step 5: Solve for x
x = 4,127,471,492,125.77/2,278,703.10 - Step 6: Final answer
x = 1,811,324.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.