Finding the Fourth Proportional to 1,391,710.99, 2,084,022.63 and 916,957.03
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Solution
The fourth proportional to 1,391,710.99, 2,084,022.63 and 916,957.03 is: 1,373,100.60
Step by Step Solution
- Step 1: Write the proportion equation
1,391,710.99 : 2,084,022.63 = 916,957.03 : x - Step 2: Convert to fraction form
1,391,710.99/2,084,022.63 = 916,957.03/x - Step 3: Cross multiply
1,391,710.99x = 2,084,022.63 × 916,957.03 - Step 4: Simplify right side
1,391,710.99x = 1,910,959,201,257.59 - Step 5: Solve for x
x = 1,910,959,201,257.59/1,391,710.99 - Step 6: Final answer
x = 1,373,100.60
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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.