Finding the Fourth Proportional to 4,156,336.20, 6,234,698.70 and 1,316,670.60
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Solution
The fourth proportional to 4,156,336.20, 6,234,698.70 and 1,316,670.60 is: 1,975,067.48
Step by Step Solution
- Step 1: Write the proportion equation
4,156,336.20 : 6,234,698.70 = 1,316,670.60 : x - Step 2: Convert to fraction form
4,156,336.20/6,234,698.70 = 1,316,670.60/x - Step 3: Cross multiply
4,156,336.20x = 6,234,698.70 × 1,316,670.60 - Step 4: Simplify right side
4,156,336.20x = 8,209,044,478,148.22 - Step 5: Solve for x
x = 8,209,044,478,148.22/4,156,336.20 - Step 6: Final answer
x = 1,975,067.48
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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.