Finding the Fourth Proportional to 1,277,355.33, 1,916,181.23 and 424,503.09
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Solution
The fourth proportional to 1,277,355.33, 1,916,181.23 and 424,503.09 is: 636,803.90
Step by Step Solution
- Step 1: Write the proportion equation
1,277,355.33 : 1,916,181.23 = 424,503.09 : x - Step 2: Convert to fraction form
1,277,355.33/1,916,181.23 = 424,503.09/x - Step 3: Cross multiply
1,277,355.33x = 1,916,181.23 × 424,503.09 - Step 4: Simplify right side
1,277,355.33x = 813,424,851,012.49 - Step 5: Solve for x
x = 813,424,851,012.49/1,277,355.33 - Step 6: Final answer
x = 636,803.90
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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.