Finding the Fourth Proportional to 2,131,030.68, 3,197,807.10 and 784,139.08
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Solution
The fourth proportional to 2,131,030.68, 3,197,807.10 and 784,139.08 is: 1,176,672.65
Step by Step Solution
- Step 1: Write the proportion equation
2,131,030.68 : 3,197,807.10 = 784,139.08 : x - Step 2: Convert to fraction form
2,131,030.68/3,197,807.10 = 784,139.08/x - Step 3: Cross multiply
2,131,030.68x = 3,197,807.10 × 784,139.08 - Step 4: Simplify right side
2,131,030.68x = 2,507,525,517,411.47 - Step 5: Solve for x
x = 2,507,525,517,411.47/2,131,030.68 - Step 6: Final answer
x = 1,176,672.65
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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.