Finding the Fourth Proportional to 1,927,828.97, 2,660,557.55 and 1,068,471.53
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Solution
The fourth proportional to 1,927,828.97, 2,660,557.55 and 1,068,471.53 is: 1,474,575.82
Step by Step Solution
- Step 1: Write the proportion equation
1,927,828.97 : 2,660,557.55 = 1,068,471.53 : x - Step 2: Convert to fraction form
1,927,828.97/2,660,557.55 = 1,068,471.53/x - Step 3: Cross multiply
1,927,828.97x = 2,660,557.55 × 1,068,471.53 - Step 4: Simplify right side
1,927,828.97x = 2,842,729,985,469.94 - Step 5: Solve for x
x = 2,842,729,985,469.94/1,927,828.97 - Step 6: Final answer
x = 1,474,575.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.