Finding the Fourth Proportional to 3,685,875.70, 5,531,304.68 and 1,289,741.09
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Solution
The fourth proportional to 3,685,875.70, 5,531,304.68 and 1,289,741.09 is: 1,935,483.32
Step by Step Solution
- Step 1: Write the proportion equation
3,685,875.70 : 5,531,304.68 = 1,289,741.09 : x - Step 2: Convert to fraction form
3,685,875.70/5,531,304.68 = 1,289,741.09/x - Step 3: Cross multiply
3,685,875.70x = 5,531,304.68 × 1,289,741.09 - Step 4: Simplify right side
3,685,875.70x = 7,133,950,927,105.30 - Step 5: Solve for x
x = 7,133,950,927,105.30/3,685,875.70 - Step 6: Final answer
x = 1,935,483.32
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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.