Finding the Fourth Proportional to 1,435,410.09, 2,153,572.38 and 424,538.19
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Solution
The fourth proportional to 1,435,410.09, 2,153,572.38 and 424,538.19 is: 636,942.52
Step by Step Solution
- Step 1: Write the proportion equation
1,435,410.09 : 2,153,572.38 = 424,538.19 : x - Step 2: Convert to fraction form
1,435,410.09/2,153,572.38 = 424,538.19/x - Step 3: Cross multiply
1,435,410.09x = 2,153,572.38 × 424,538.19 - Step 4: Simplify right side
1,435,410.09x = 914,273,720,239.19 - Step 5: Solve for x
x = 914,273,720,239.19/1,435,410.09 - Step 6: Final answer
x = 636,942.52
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1.5x scale
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.