Finding the Fourth Proportional to 1,368,986.36, 1,888,442.79 and 795,963.20
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Solution
The fourth proportional to 1,368,986.36, 1,888,442.79 and 795,963.20 is: 1,097,988.27
Step by Step Solution
- Step 1: Write the proportion equation
1,368,986.36 : 1,888,442.79 = 795,963.20 : x - Step 2: Convert to fraction form
1,368,986.36/1,888,442.79 = 795,963.20/x - Step 3: Cross multiply
1,368,986.36x = 1,888,442.79 × 795,963.20 - Step 4: Simplify right side
1,368,986.36x = 1,503,130,966,145.33 - Step 5: Solve for x
x = 1,503,130,966,145.33/1,368,986.36 - Step 6: Final answer
x = 1,097,988.27
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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.