Finding the Fourth Proportional to 2,681,198.08, 4,021,797.92 and 787,939.68
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Solution
The fourth proportional to 2,681,198.08, 4,021,797.92 and 787,939.68 is: 1,181,909.76
Step by Step Solution
- Step 1: Write the proportion equation
2,681,198.08 : 4,021,797.92 = 787,939.68 : x - Step 2: Convert to fraction form
2,681,198.08/4,021,797.92 = 787,939.68/x - Step 3: Cross multiply
2,681,198.08x = 4,021,797.92 × 787,939.68 - Step 4: Simplify right side
2,681,198.08x = 3,168,934,166,109.47 - Step 5: Solve for x
x = 3,168,934,166,109.47/2,681,198.08 - Step 6: Final answer
x = 1,181,909.76
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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.