Finding the Fourth Proportional to 1,637,696.99, 2,259,991.31 and 912,529.23
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Solution
The fourth proportional to 1,637,696.99, 2,259,991.31 and 912,529.23 is: 1,259,273.32
Step by Step Solution
- Step 1: Write the proportion equation
1,637,696.99 : 2,259,991.31 = 912,529.23 : x - Step 2: Convert to fraction form
1,637,696.99/2,259,991.31 = 912,529.23/x - Step 3: Cross multiply
1,637,696.99x = 2,259,991.31 × 912,529.23 - Step 4: Simplify right side
1,637,696.99x = 2,062,308,125,358.35 - Step 5: Solve for x
x = 2,062,308,125,358.35/1,637,696.99 - Step 6: Final answer
x = 1,259,273.32
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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.