Finding the Fourth Proportional to 2,131,246.08, 2,941,145.64 and 1,164,387.96
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Solution
The fourth proportional to 2,131,246.08, 2,941,145.64 and 1,164,387.96 is: 1,606,869.62
Step by Step Solution
- Step 1: Write the proportion equation
2,131,246.08 : 2,941,145.64 = 1,164,387.96 : x - Step 2: Convert to fraction form
2,131,246.08/2,941,145.64 = 1,164,387.96/x - Step 3: Cross multiply
2,131,246.08x = 2,941,145.64 × 1,164,387.96 - Step 4: Simplify right side
2,131,246.08x = 3,424,634,571,822.49 - Step 5: Solve for x
x = 3,424,634,571,822.49/2,131,246.08 - Step 6: Final answer
x = 1,606,869.62
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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.