Finding the Fourth Proportional to 7,049,652.40, 10,574,708.52 and 3,355,874.80
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Solution
The fourth proportional to 7,049,652.40, 10,574,708.52 and 3,355,874.80 is: 5,033,921.65
Step by Step Solution
- Step 1: Write the proportion equation
7,049,652.40 : 10,574,708.52 = 3,355,874.80 : x - Step 2: Convert to fraction form
7,049,652.40/10,574,708.52 = 3,355,874.80/x - Step 3: Cross multiply
7,049,652.40x = 10,574,708.52 × 3,355,874.80 - Step 4: Simplify right side
7,049,652.40x = 35,487,397,839,613.29 - Step 5: Solve for x
x = 35,487,397,839,613.29/7,049,652.40 - Step 6: Final answer
x = 5,033,921.65
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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.