Finding the Fourth Proportional to 1,986,423.84, 2,741,560.02 and 1,170,366.66
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Solution
The fourth proportional to 1,986,423.84, 2,741,560.02 and 1,170,366.66 is: 1,615,279.87
Step by Step Solution
- Step 1: Write the proportion equation
1,986,423.84 : 2,741,560.02 = 1,170,366.66 : x - Step 2: Convert to fraction form
1,986,423.84/2,741,560.02 = 1,170,366.66/x - Step 3: Cross multiply
1,986,423.84x = 2,741,560.02 × 1,170,366.66 - Step 4: Simplify right side
1,986,423.84x = 3,208,630,443,796.93 - Step 5: Solve for x
x = 3,208,630,443,796.93/1,986,423.84 - Step 6: Final answer
x = 1,615,279.87
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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.