Finding the Fourth Proportional to 1,713,172.84, 2,364,218.76 and 988,051.12
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Solution
The fourth proportional to 1,713,172.84, 2,364,218.76 and 988,051.12 is: 1,363,533.75
Step by Step Solution
- Step 1: Write the proportion equation
1,713,172.84 : 2,364,218.76 = 988,051.12 : x - Step 2: Convert to fraction form
1,713,172.84/2,364,218.76 = 988,051.12/x - Step 3: Cross multiply
1,713,172.84x = 2,364,218.76 × 988,051.12 - Step 4: Simplify right side
1,713,172.84x = 2,335,968,993,743.01 - Step 5: Solve for x
x = 2,335,968,993,743.01/1,713,172.84 - Step 6: Final answer
x = 1,363,533.75
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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.