Finding the Fourth Proportional to 1,759,916.36, 2,639,884.26 and 637,956.20
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Solution
The fourth proportional to 1,759,916.36, 2,639,884.26 and 637,956.20 is: 956,937.82
Step by Step Solution
- Step 1: Write the proportion equation
1,759,916.36 : 2,639,884.26 = 637,956.20 : x - Step 2: Convert to fraction form
1,759,916.36/2,639,884.26 = 637,956.20/x - Step 3: Cross multiply
1,759,916.36x = 2,639,884.26 × 637,956.20 - Step 4: Simplify right side
1,759,916.36x = 1,684,130,530,949.41 - Step 5: Solve for x
x = 1,684,130,530,949.41/1,759,916.36 - Step 6: Final answer
x = 956,937.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.