Finding the Fourth Proportional to 1,375,643.70, 2,063,465.55 and 378,371.70
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Solution
The fourth proportional to 1,375,643.70, 2,063,465.55 and 378,371.70 is: 567,557.55
Step by Step Solution
- Step 1: Write the proportion equation
1,375,643.70 : 2,063,465.55 = 378,371.70 : x - Step 2: Convert to fraction form
1,375,643.70/2,063,465.55 = 378,371.70/x - Step 3: Cross multiply
1,375,643.70x = 2,063,465.55 × 378,371.70 - Step 4: Simplify right side
1,375,643.70x = 780,756,968,044.94 - Step 5: Solve for x
x = 780,756,968,044.94/1,375,643.70 - Step 6: Final answer
x = 567,557.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.