Finding the Fourth Proportional to 2,262,047.12, 3,121,628.36 and 1,243,458.08
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Solution
The fourth proportional to 2,262,047.12, 3,121,628.36 and 1,243,458.08 is: 1,715,973.98
Step by Step Solution
- Step 1: Write the proportion equation
2,262,047.12 : 3,121,628.36 = 1,243,458.08 : x - Step 2: Convert to fraction form
2,262,047.12/3,121,628.36 = 1,243,458.08/x - Step 3: Cross multiply
2,262,047.12x = 3,121,628.36 × 1,243,458.08 - Step 4: Simplify right side
2,262,047.12x = 3,881,614,006,999.15 - Step 5: Solve for x
x = 3,881,614,006,999.15/2,262,047.12 - Step 6: Final answer
x = 1,715,973.98
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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.