Finding the Fourth Proportional to 1,358,470, 1,873,939.75 and 1,103,378.32
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Solution
The fourth proportional to 1,358,470, 1,873,939.75 and 1,103,378.32 is: 1,522,053.85
Step by Step Solution
- Step 1: Write the proportion equation
1,358,470 : 1,873,939.75 = 1,103,378.32 : x - Step 2: Convert to fraction form
1,358,470/1,873,939.75 = 1,103,378.32/x - Step 3: Cross multiply
1,358,470x = 1,873,939.75 × 1,103,378.32 - Step 4: Simplify right side
1,358,470x = 2,067,664,493,136.22 - Step 5: Solve for x
x = 2,067,664,493,136.22/1,358,470 - Step 6: Final answer
x = 1,522,053.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.