Finding the Fourth Proportional to 6,469,354.16, 8,924,955 and 4,747,482.80
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Solution
The fourth proportional to 6,469,354.16, 8,924,955 and 4,747,482.80 is: 6,549,505.45
Step by Step Solution
- Step 1: Write the proportion equation
6,469,354.16 : 8,924,955 = 4,747,482.80 : x - Step 2: Convert to fraction form
6,469,354.16/8,924,955 = 4,747,482.80/x - Step 3: Cross multiply
6,469,354.16x = 8,924,955 × 4,747,482.80 - Step 4: Simplify right side
6,469,354.16x = 42,371,070,353,274 - Step 5: Solve for x
x = 42,371,070,353,274/6,469,354.16 - Step 6: Final answer
x = 6,549,505.45
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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.