Finding the Fourth Proportional to 4,964,503.57, 6,851,569.65 and 3,005,461.08
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Solution
The fourth proportional to 4,964,503.57, 6,851,569.65 and 3,005,461.08 is: 4,147,872.11
Step by Step Solution
- Step 1: Write the proportion equation
4,964,503.57 : 6,851,569.65 = 3,005,461.08 : x - Step 2: Convert to fraction form
4,964,503.57/6,851,569.65 = 3,005,461.08/x - Step 3: Cross multiply
4,964,503.57x = 6,851,569.65 × 3,005,461.08 - Step 4: Simplify right side
4,964,503.57x = 20,592,125,919,984.22 - Step 5: Solve for x
x = 20,592,125,919,984.22/4,964,503.57 - Step 6: Final answer
x = 4,147,872.11
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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.