Finding the Fourth Proportional to 1,896,143.99, 2,616,037.70 and 1,079,768.88
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Solution
The fourth proportional to 1,896,143.99, 2,616,037.70 and 1,079,768.88 is: 1,489,716.03
Step by Step Solution
- Step 1: Write the proportion equation
1,896,143.99 : 2,616,037.70 = 1,079,768.88 : x - Step 2: Convert to fraction form
1,896,143.99/2,616,037.70 = 1,079,768.88/x - Step 3: Cross multiply
1,896,143.99x = 2,616,037.70 × 1,079,768.88 - Step 4: Simplify right side
1,896,143.99x = 2,824,716,091,967.93 - Step 5: Solve for x
x = 2,824,716,091,967.93/1,896,143.99 - Step 6: Final answer
x = 1,489,716.03
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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.