Finding the Fourth Proportional to 1,648,905.12, 2,275,484.00 and 913,906.26
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Solution
The fourth proportional to 1,648,905.12, 2,275,484.00 and 913,906.26 is: 1,261,187.83
Step by Step Solution
- Step 1: Write the proportion equation
1,648,905.12 : 2,275,484.00 = 913,906.26 : x - Step 2: Convert to fraction form
1,648,905.12/2,275,484.00 = 913,906.26/x - Step 3: Cross multiply
1,648,905.12x = 2,275,484.00 × 913,906.26 - Step 4: Simplify right side
1,648,905.12x = 2,079,579,067,560.31 - Step 5: Solve for x
x = 2,079,579,067,560.31/1,648,905.12 - Step 6: Final answer
x = 1,261,187.83
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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.