Finding the Fourth Proportional to 2,133,978.88, 2,944,849.44 and 1,167,106.08
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Solution
The fourth proportional to 2,133,978.88, 2,944,849.44 and 1,167,106.08 is: 1,610,583.74
Step by Step Solution
- Step 1: Write the proportion equation
2,133,978.88 : 2,944,849.44 = 1,167,106.08 : x - Step 2: Convert to fraction form
2,133,978.88/2,944,849.44 = 1,167,106.08/x - Step 3: Cross multiply
2,133,978.88x = 2,944,849.44 × 1,167,106.08 - Step 4: Simplify right side
2,133,978.88x = 3,436,951,686,108.60 - Step 5: Solve for x
x = 3,436,951,686,108.60/2,133,978.88 - Step 6: Final answer
x = 1,610,583.74
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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.