Finding the Fourth Proportional to 1,643,175.18, 2,267,539.95 and 918,028.32
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Solution
The fourth proportional to 1,643,175.18, 2,267,539.95 and 918,028.32 is: 1,266,855.73
Step by Step Solution
- Step 1: Write the proportion equation
1,643,175.18 : 2,267,539.95 = 918,028.32 : x - Step 2: Convert to fraction form
1,643,175.18/2,267,539.95 = 918,028.32/x - Step 3: Cross multiply
1,643,175.18x = 2,267,539.95 × 918,028.32 - Step 4: Simplify right side
1,643,175.18x = 2,081,665,890,831.38 - Step 5: Solve for x
x = 2,081,665,890,831.38/1,643,175.18 - Step 6: Final answer
x = 1,266,855.73
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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.