Finding the Fourth Proportional to 2,133,769.96, 2,939,876.58 and 1,407,336.04
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Solution
The fourth proportional to 2,133,769.96, 2,939,876.58 and 1,407,336.04 is: 1,939,006.71
Step by Step Solution
- Step 1: Write the proportion equation
2,133,769.96 : 2,939,876.58 = 1,407,336.04 : x - Step 2: Convert to fraction form
2,133,769.96/2,939,876.58 = 1,407,336.04/x - Step 3: Cross multiply
2,133,769.96x = 2,939,876.58 × 1,407,336.04 - Step 4: Simplify right side
2,133,769.96x = 4,137,394,264,185.94 - Step 5: Solve for x
x = 4,137,394,264,185.94/2,133,769.96 - Step 6: Final answer
x = 1,939,006.71
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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.