Finding the Fourth Proportional to 5,670,861.40, 8,506,292.10 and 5,174,849.80
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Solution
The fourth proportional to 5,670,861.40, 8,506,292.10 and 5,174,849.80 is: 7,762,274.70
Step by Step Solution
- Step 1: Write the proportion equation
5,670,861.40 : 8,506,292.10 = 5,174,849.80 : x - Step 2: Convert to fraction form
5,670,861.40/8,506,292.10 = 5,174,849.80/x - Step 3: Cross multiply
5,670,861.40x = 8,506,292.10 × 5,174,849.80 - Step 4: Simplify right side
5,670,861.40x = 44,018,783,972,426.58 - Step 5: Solve for x
x = 44,018,783,972,426.58/5,670,861.40 - Step 6: Final answer
x = 7,762,274.70
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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.