Finding the Fourth Proportional to 1,646,946.68, 2,270,981.60 and 1,072,922.36
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Solution
The fourth proportional to 1,646,946.68, 2,270,981.60 and 1,072,922.36 is: 1,479,457.09
Step by Step Solution
- Step 1: Write the proportion equation
1,646,946.68 : 2,270,981.60 = 1,072,922.36 : x - Step 2: Convert to fraction form
1,646,946.68/2,270,981.60 = 1,072,922.36/x - Step 3: Cross multiply
1,646,946.68x = 2,270,981.60 × 1,072,922.36 - Step 4: Simplify right side
1,646,946.68x = 2,436,586,937,788.58 - Step 5: Solve for x
x = 2,436,586,937,788.58/1,646,946.68 - Step 6: Final answer
x = 1,479,457.09
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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.