Finding the Fourth Proportional to 1,593,653.28, 2,199,241.56 and 878,261.28
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Solution
The fourth proportional to 1,593,653.28, 2,199,241.56 and 878,261.28 is: 1,212,000.58
Step by Step Solution
- Step 1: Write the proportion equation
1,593,653.28 : 2,199,241.56 = 878,261.28 : x - Step 2: Convert to fraction form
1,593,653.28/2,199,241.56 = 878,261.28/x - Step 3: Cross multiply
1,593,653.28x = 2,199,241.56 × 878,261.28 - Step 4: Simplify right side
1,593,653.28x = 1,931,508,707,514.80 - Step 5: Solve for x
x = 1,931,508,707,514.80/1,593,653.28 - Step 6: Final answer
x = 1,212,000.58
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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.