Finding the Fourth Proportional to 4,202,175.60, 6,289,266.60 and 3,698,290.80
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Solution
The fourth proportional to 4,202,175.60, 6,289,266.60 and 3,698,290.80 is: 5,535,117.76
Step by Step Solution
- Step 1: Write the proportion equation
4,202,175.60 : 6,289,266.60 = 3,698,290.80 : x - Step 2: Convert to fraction form
4,202,175.60/6,289,266.60 = 3,698,290.80/x - Step 3: Cross multiply
4,202,175.60x = 6,289,266.60 × 3,698,290.80 - Step 4: Simplify right side
4,202,175.60x = 23,259,536,805,527.28 - Step 5: Solve for x
x = 23,259,536,805,527.28/4,202,175.60 - Step 6: Final answer
x = 5,535,117.76
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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.