Finding the Fourth Proportional to 5,528,657.70, 8,292,986.55 and 5,457,798.90
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Solution
The fourth proportional to 5,528,657.70, 8,292,986.55 and 5,457,798.90 is: 8,186,698.35
Step by Step Solution
- Step 1: Write the proportion equation
5,528,657.70 : 8,292,986.55 = 5,457,798.90 : x - Step 2: Convert to fraction form
5,528,657.70/8,292,986.55 = 5,457,798.90/x - Step 3: Cross multiply
5,528,657.70x = 8,292,986.55 × 5,457,798.90 - Step 4: Simplify right side
5,528,657.70x = 45,261,452,870,304.80 - Step 5: Solve for x
x = 45,261,452,870,304.80/5,528,657.70 - Step 6: Final answer
x = 8,186,698.35
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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.