Finding the Fourth Proportional to 2,172,815.73, 2,999,036.88 and 1,484,766.09
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Solution
The fourth proportional to 2,172,815.73, 2,999,036.88 and 1,484,766.09 is: 2,049,353.84
Step by Step Solution
- Step 1: Write the proportion equation
2,172,815.73 : 2,999,036.88 = 1,484,766.09 : x - Step 2: Convert to fraction form
2,172,815.73/2,999,036.88 = 1,484,766.09/x - Step 3: Cross multiply
2,172,815.73x = 2,999,036.88 × 1,484,766.09 - Step 4: Simplify right side
2,172,815.73x = 4,452,868,262,083.40 - Step 5: Solve for x
x = 4,452,868,262,083.40/2,172,815.73 - Step 6: Final answer
x = 2,049,353.84
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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.