Finding the Fourth Proportional to 2,908,687.19, 4,013,858.79 and 1,667,407.62
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Solution
The fourth proportional to 2,908,687.19, 4,013,858.79 and 1,667,407.62 is: 2,300,948.27
Step by Step Solution
- Step 1: Write the proportion equation
2,908,687.19 : 4,013,858.79 = 1,667,407.62 : x - Step 2: Convert to fraction form
2,908,687.19/4,013,858.79 = 1,667,407.62/x - Step 3: Cross multiply
2,908,687.19x = 4,013,858.79 × 1,667,407.62 - Step 4: Simplify right side
2,908,687.19x = 6,692,738,732,049.98 - Step 5: Solve for x
x = 6,692,738,732,049.98/2,908,687.19 - Step 6: Final answer
x = 2,300,948.27
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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.