Finding the Fourth Proportional to 1,449,064.36, 1,999,669.92 and 868,615.44
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Solution
The fourth proportional to 1,449,064.36, 1,999,669.92 and 868,615.44 is: 1,198,665.99
Step by Step Solution
- Step 1: Write the proportion equation
1,449,064.36 : 1,999,669.92 = 868,615.44 : x - Step 2: Convert to fraction form
1,449,064.36/1,999,669.92 = 868,615.44/x - Step 3: Cross multiply
1,449,064.36x = 1,999,669.92 × 868,615.44 - Step 4: Simplify right side
1,449,064.36x = 1,736,944,167,415.56 - Step 5: Solve for x
x = 1,736,944,167,415.56/1,449,064.36 - Step 6: Final answer
x = 1,198,665.99
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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.