Finding the Fourth Proportional to 3,742,310.96, 5,163,210.22 and 2,290,492.88
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Solution
The fourth proportional to 3,742,310.96, 5,163,210.22 and 2,290,492.88 is: 3,160,158.62
Step by Step Solution
- Step 1: Write the proportion equation
3,742,310.96 : 5,163,210.22 = 2,290,492.88 : x - Step 2: Convert to fraction form
3,742,310.96/5,163,210.22 = 2,290,492.88/x - Step 3: Cross multiply
3,742,310.96x = 5,163,210.22 × 2,290,492.88 - Step 4: Simplify right side
3,742,310.96x = 11,826,296,246,853.23 - Step 5: Solve for x
x = 11,826,296,246,853.23/3,742,310.96 - Step 6: Final answer
x = 3,160,158.62
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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.