Finding the Fourth Proportional to 1,460,919.18, 2,016,268.68 and 840,711.56
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Solution
The fourth proportional to 1,460,919.18, 2,016,268.68 and 840,711.56 is: 1,160,297.17
Step by Step Solution
- Step 1: Write the proportion equation
1,460,919.18 : 2,016,268.68 = 840,711.56 : x - Step 2: Convert to fraction form
1,460,919.18/2,016,268.68 = 840,711.56/x - Step 3: Cross multiply
1,460,919.18x = 2,016,268.68 × 840,711.56 - Step 4: Simplify right side
1,460,919.18x = 1,695,100,387,341.94 - Step 5: Solve for x
x = 1,695,100,387,341.94/1,460,919.18 - Step 6: Final answer
x = 1,160,297.17
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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.