Finding the Fourth Proportional to 1,636,999.84, 2,442,697.16 and 1,466,786.26
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Solution
The fourth proportional to 1,636,999.84, 2,442,697.16 and 1,466,786.26 is: 2,188,707.99
Step by Step Solution
- Step 1: Write the proportion equation
1,636,999.84 : 2,442,697.16 = 1,466,786.26 : x - Step 2: Convert to fraction form
1,636,999.84/2,442,697.16 = 1,466,786.26/x - Step 3: Cross multiply
1,636,999.84x = 2,442,697.16 × 1,466,786.26 - Step 4: Simplify right side
1,636,999.84x = 3,582,914,631,629.02 - Step 5: Solve for x
x = 3,582,914,631,629.02/1,636,999.84 - Step 6: Final answer
x = 2,188,707.99
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.