Finding the Fourth Proportional to 2,136,660.06, 2,948,478.89 and 1,169,605.11
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Solution
The fourth proportional to 2,136,660.06, 2,948,478.89 and 1,169,605.11 is: 1,613,993.75
Step by Step Solution
- Step 1: Write the proportion equation
2,136,660.06 : 2,948,478.89 = 1,169,605.11 : x - Step 2: Convert to fraction form
2,136,660.06/2,948,478.89 = 1,169,605.11/x - Step 3: Cross multiply
2,136,660.06x = 2,948,478.89 × 1,169,605.11 - Step 4: Simplify right side
2,136,660.06x = 3,448,555,976,471.13 - Step 5: Solve for x
x = 3,448,555,976,471.13/2,136,660.06 - Step 6: Final answer
x = 1,613,993.75
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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.