Finding the Fourth Proportional to 2,557,240.75, 3,528,964.63 and 1,395,677.58
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Solution
The fourth proportional to 2,557,240.75, 3,528,964.63 and 1,395,677.58 is: 1,926,019.99
Step by Step Solution
- Step 1: Write the proportion equation
2,557,240.75 : 3,528,964.63 = 1,395,677.58 : x - Step 2: Convert to fraction form
2,557,240.75/3,528,964.63 = 1,395,677.58/x - Step 3: Cross multiply
2,557,240.75x = 3,528,964.63 × 1,395,677.58 - Step 4: Simplify right side
2,557,240.75x = 4,925,296,814,704.00 - Step 5: Solve for x
x = 4,925,296,814,704.00/2,557,240.75 - Step 6: Final answer
x = 1,926,019.99
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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.