Finding the Fourth Proportional to 2,888,062.42, 3,986,195.97 and 1,921,233.46
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Solution
The fourth proportional to 2,888,062.42, 3,986,195.97 and 1,921,233.46 is: 2,651,747.77
Step by Step Solution
- Step 1: Write the proportion equation
2,888,062.42 : 3,986,195.97 = 1,921,233.46 : x - Step 2: Convert to fraction form
2,888,062.42/3,986,195.97 = 1,921,233.46/x - Step 3: Cross multiply
2,888,062.42x = 3,986,195.97 × 1,921,233.46 - Step 4: Simplify right side
2,888,062.42x = 7,658,413,075,681.16 - Step 5: Solve for x
x = 7,658,413,075,681.16/2,888,062.42 - Step 6: Final answer
x = 2,651,747.77
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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.