Finding the Fourth Proportional to 1,821,501.10, 2,515,903.42 and 1,364,658.67
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Solution
The fourth proportional to 1,821,501.10, 2,515,903.42 and 1,364,658.67 is: 1,884,901.09
Step by Step Solution
- Step 1: Write the proportion equation
1,821,501.10 : 2,515,903.42 = 1,364,658.67 : x - Step 2: Convert to fraction form
1,821,501.10/2,515,903.42 = 1,364,658.67/x - Step 3: Cross multiply
1,821,501.10x = 2,515,903.42 × 1,364,658.67 - Step 4: Simplify right side
1,821,501.10x = 3,433,349,402,406.13 - Step 5: Solve for x
x = 3,433,349,402,406.13/1,821,501.10 - Step 6: Final answer
x = 1,884,901.09
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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.