Finding the Fourth Proportional to 5,182,366.68, 7,151,690.86 and 2,859,259.08
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Solution
The fourth proportional to 5,182,366.68, 7,151,690.86 and 2,859,259.08 is: 3,945,791.24
Step by Step Solution
- Step 1: Write the proportion equation
5,182,366.68 : 7,151,690.86 = 2,859,259.08 : x - Step 2: Convert to fraction form
5,182,366.68/7,151,690.86 = 2,859,259.08/x - Step 3: Cross multiply
5,182,366.68x = 7,151,690.86 × 2,859,259.08 - Step 4: Simplify right side
5,182,366.68x = 20,448,537,028,808.01 - Step 5: Solve for x
x = 20,448,537,028,808.01/5,182,366.68 - Step 6: Final answer
x = 3,945,791.24
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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.