Finding the Fourth Proportional to 1,630,725.62, 2,446,208.71 and 432,621.41
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Solution
The fourth proportional to 1,630,725.62, 2,446,208.71 and 432,621.41 is: 648,964.02
Step by Step Solution
- Step 1: Write the proportion equation
1,630,725.62 : 2,446,208.71 = 432,621.41 : x - Step 2: Convert to fraction form
1,630,725.62/2,446,208.71 = 432,621.41/x - Step 3: Cross multiply
1,630,725.62x = 2,446,208.71 × 432,621.41 - Step 4: Simplify right side
1,630,725.62x = 1,058,282,247,961.88 - Step 5: Solve for x
x = 1,058,282,247,961.88/1,630,725.62 - Step 6: Final answer
x = 648,964.02
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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.