Finding the Fourth Proportional to 2,316,111.48, 3,474,278.09 and 1,119,040.63
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Solution
The fourth proportional to 2,316,111.48, 3,474,278.09 and 1,119,040.63 is: 1,678,614.51
Step by Step Solution
- Step 1: Write the proportion equation
2,316,111.48 : 3,474,278.09 = 1,119,040.63 : x - Step 2: Convert to fraction form
2,316,111.48/3,474,278.09 = 1,119,040.63/x - Step 3: Cross multiply
2,316,111.48x = 3,474,278.09 × 1,119,040.63 - Step 4: Simplify right side
2,316,111.48x = 3,887,858,342,628.80 - Step 5: Solve for x
x = 3,887,858,342,628.80/2,316,111.48 - Step 6: Final answer
x = 1,678,614.51
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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.