Finding the Fourth Proportional to 6,345,207.63, 8,756,397.40 and 3,628,953.63
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Solution
The fourth proportional to 6,345,207.63, 8,756,397.40 and 3,628,953.63 is: 5,007,962.23
Step by Step Solution
- Step 1: Write the proportion equation
6,345,207.63 : 8,756,397.40 = 3,628,953.63 : x - Step 2: Convert to fraction form
6,345,207.63/8,756,397.40 = 3,628,953.63/x - Step 3: Cross multiply
6,345,207.63x = 8,756,397.40 × 3,628,953.63 - Step 4: Simplify right side
6,345,207.63x = 31,776,560,130,452.56 - Step 5: Solve for x
x = 31,776,560,130,452.56/6,345,207.63 - Step 6: Final answer
x = 5,007,962.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.