Finding the Fourth Proportional to 2,118,076.36, 2,922,964.86 and 1,151,208.88
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Solution
The fourth proportional to 2,118,076.36, 2,922,964.86 and 1,151,208.88 is: 1,588,678.84
Step by Step Solution
- Step 1: Write the proportion equation
2,118,076.36 : 2,922,964.86 = 1,151,208.88 : x - Step 2: Convert to fraction form
2,118,076.36/2,922,964.86 = 1,151,208.88/x - Step 3: Cross multiply
2,118,076.36x = 2,922,964.86 × 1,151,208.88 - Step 4: Simplify right side
2,118,076.36x = 3,364,943,102,759.96 - Step 5: Solve for x
x = 3,364,943,102,759.96/2,118,076.36 - Step 6: Final answer
x = 1,588,678.84
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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.