Finding the Fourth Proportional to 4,911,243.75, 6,780,325.62 and 3,259,630.62
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Solution
The fourth proportional to 4,911,243.75, 6,780,325.62 and 3,259,630.62 is: 4,500,154.77
Step by Step Solution
- Step 1: Write the proportion equation
4,911,243.75 : 6,780,325.62 = 3,259,630.62 : x - Step 2: Convert to fraction form
4,911,243.75/6,780,325.62 = 3,259,630.62/x - Step 3: Cross multiply
4,911,243.75x = 6,780,325.62 × 3,259,630.62 - Step 4: Simplify right side
4,911,243.75x = 22,101,357,004,522.48 - Step 5: Solve for x
x = 22,101,357,004,522.48/4,911,243.75 - Step 6: Final answer
x = 4,500,154.77
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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.