Finding the Fourth Proportional to 4,420,495.81, 6,630,743.96 and 1,225,622.03
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Solution
The fourth proportional to 4,420,495.81, 6,630,743.96 and 1,225,622.03 is: 1,838,433.11
Step by Step Solution
- Step 1: Write the proportion equation
4,420,495.81 : 6,630,743.96 = 1,225,622.03 : x - Step 2: Convert to fraction form
4,420,495.81/6,630,743.96 = 1,225,622.03/x - Step 3: Cross multiply
4,420,495.81x = 6,630,743.96 × 1,225,622.03 - Step 4: Simplify right side
4,420,495.81x = 8,126,785,872,665.44 - Step 5: Solve for x
x = 8,126,785,872,665.44/4,420,495.81 - Step 6: Final answer
x = 1,838,433.11
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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.