Finding the Fourth Proportional to 2,078,194.28, 3,117,468.20 and 730,240.47
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Solution
The fourth proportional to 2,078,194.28, 3,117,468.20 and 730,240.47 is: 1,095,422.82
Step by Step Solution
- Step 1: Write the proportion equation
2,078,194.28 : 3,117,468.20 = 730,240.47 : x - Step 2: Convert to fraction form
2,078,194.28/3,117,468.20 = 730,240.47/x - Step 3: Cross multiply
2,078,194.28x = 3,117,468.20 × 730,240.47 - Step 4: Simplify right side
2,078,194.28x = 2,276,501,439,926.85 - Step 5: Solve for x
x = 2,276,501,439,926.85/2,078,194.28 - Step 6: Final answer
x = 1,095,422.82
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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.