Finding the Fourth Proportional to 2,557,306.41, 3,529,032.77 and 1,395,760.98
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Solution
The fourth proportional to 2,557,306.41, 3,529,032.77 and 1,395,760.98 is: 1,926,122.82
Step by Step Solution
- Step 1: Write the proportion equation
2,557,306.41 : 3,529,032.77 = 1,395,760.98 : x - Step 2: Convert to fraction form
2,557,306.41/3,529,032.77 = 1,395,760.98/x - Step 3: Cross multiply
2,557,306.41x = 3,529,032.77 × 1,395,760.98 - Step 4: Simplify right side
2,557,306.41x = 4,925,686,230,528.51 - Step 5: Solve for x
x = 4,925,686,230,528.51/2,557,306.41 - Step 6: Final answer
x = 1,926,122.82
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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.