Finding the Fourth Proportional to 3,877,724.49, 5,819,243.67 and 1,353,379.74
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Solution
The fourth proportional to 3,877,724.49, 5,819,243.67 and 1,353,379.74 is: 2,030,996.92
Step by Step Solution
- Step 1: Write the proportion equation
3,877,724.49 : 5,819,243.67 = 1,353,379.74 : x - Step 2: Convert to fraction form
3,877,724.49/5,819,243.67 = 1,353,379.74/x - Step 3: Cross multiply
3,877,724.49x = 5,819,243.67 × 1,353,379.74 - Step 4: Simplify right side
3,877,724.49x = 7,875,646,485,101.25 - Step 5: Solve for x
x = 7,875,646,485,101.25/3,877,724.49 - Step 6: Final answer
x = 2,030,996.92
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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.