Finding the Fourth Proportional to 2,289,516.48, 3,415,574.16 and 2,104,349.76
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Solution
The fourth proportional to 2,289,516.48, 3,415,574.16 and 2,104,349.76 is: 3,139,336.50
Step by Step Solution
- Step 1: Write the proportion equation
2,289,516.48 : 3,415,574.16 = 2,104,349.76 : x - Step 2: Convert to fraction form
2,289,516.48/3,415,574.16 = 2,104,349.76/x - Step 3: Cross multiply
2,289,516.48x = 3,415,574.16 × 2,104,349.76 - Step 4: Simplify right side
2,289,516.48x = 7,187,562,663,858.20 - Step 5: Solve for x
x = 7,187,562,663,858.20/2,289,516.48 - Step 6: Final answer
x = 3,139,336.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.