Finding the Fourth Proportional to 4,137,660.92, 5,712,639.26 and 2,668,226.55
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Solution
The fourth proportional to 4,137,660.92, 5,712,639.26 and 2,668,226.55 is: 3,683,872.61
Step by Step Solution
- Step 1: Write the proportion equation
4,137,660.92 : 5,712,639.26 = 2,668,226.55 : x - Step 2: Convert to fraction form
4,137,660.92/5,712,639.26 = 2,668,226.55/x - Step 3: Cross multiply
4,137,660.92x = 5,712,639.26 × 2,668,226.55 - Step 4: Simplify right side
4,137,660.92x = 15,242,615,730,763.22 - Step 5: Solve for x
x = 15,242,615,730,763.22/4,137,660.92 - Step 6: Final answer
x = 3,683,872.61
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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.