Finding the Fourth Proportional to 5,048,343.65, 6,966,686.68 and 2,756,487.93
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Solution
The fourth proportional to 5,048,343.65, 6,966,686.68 and 2,756,487.93 is: 3,803,938.30
Step by Step Solution
- Step 1: Write the proportion equation
5,048,343.65 : 6,966,686.68 = 2,756,487.93 : x - Step 2: Convert to fraction form
5,048,343.65/6,966,686.68 = 2,756,487.93/x - Step 3: Cross multiply
5,048,343.65x = 6,966,686.68 × 2,756,487.93 - Step 4: Simplify right side
5,048,343.65x = 19,203,587,731,729.33 - Step 5: Solve for x
x = 19,203,587,731,729.33/5,048,343.65 - Step 6: Final answer
x = 3,803,938.30
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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.