Finding the Fourth Proportional to 5,133,815.01, 7,084,748.61 and 2,810,668.77
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Solution
The fourth proportional to 5,133,815.01, 7,084,748.61 and 2,810,668.77 is: 3,878,768.83
Step by Step Solution
- Step 1: Write the proportion equation
5,133,815.01 : 7,084,748.61 = 2,810,668.77 : x - Step 2: Convert to fraction form
5,133,815.01/7,084,748.61 = 2,810,668.77/x - Step 3: Cross multiply
5,133,815.01x = 7,084,748.61 × 2,810,668.77 - Step 4: Simplify right side
5,133,815.01x = 19,912,881,661,427.91 - Step 5: Solve for x
x = 19,912,881,661,427.91/5,133,815.01 - Step 6: Final answer
x = 3,878,768.83
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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.