Finding the Fourth Proportional to 3,615,652.82, 5,423,794.42 and 1,186,077.62
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Solution
The fourth proportional to 3,615,652.82, 5,423,794.42 and 1,186,077.62 is: 1,779,219.82
Step by Step Solution
- Step 1: Write the proportion equation
3,615,652.82 : 5,423,794.42 = 1,186,077.62 : x - Step 2: Convert to fraction form
3,615,652.82/5,423,794.42 = 1,186,077.62/x - Step 3: Cross multiply
3,615,652.82x = 5,423,794.42 × 1,186,077.62 - Step 4: Simplify right side
3,615,652.82x = 6,433,041,177,042.88 - Step 5: Solve for x
x = 6,433,041,177,042.88/3,615,652.82 - Step 6: Final answer
x = 1,779,219.82
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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.