Finding the Fourth Proportional to 4,973,372.09, 6,862,972.97 and 2,798,006.93
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Solution
The fourth proportional to 4,973,372.09, 6,862,972.97 and 2,798,006.93 is: 3,861,091.74
Step by Step Solution
- Step 1: Write the proportion equation
4,973,372.09 : 6,862,972.97 = 2,798,006.93 : x - Step 2: Convert to fraction form
4,973,372.09/6,862,972.97 = 2,798,006.93/x - Step 3: Cross multiply
4,973,372.09x = 6,862,972.97 × 2,798,006.93 - Step 4: Simplify right side
4,973,372.09x = 19,202,645,916,472.65 - Step 5: Solve for x
x = 19,202,645,916,472.65/4,973,372.09 - Step 6: Final answer
x = 3,861,091.74
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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.