Finding the Fourth Proportional to 1,277,948.16, 1,916,202.96 and 424,562.94
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Solution
The fourth proportional to 1,277,948.16, 1,916,202.96 and 424,562.94 is: 636,605.45
Step by Step Solution
- Step 1: Write the proportion equation
1,277,948.16 : 1,916,202.96 = 424,562.94 : x - Step 2: Convert to fraction form
1,277,948.16/1,916,202.96 = 424,562.94/x - Step 3: Cross multiply
1,277,948.16x = 1,916,202.96 × 424,562.94 - Step 4: Simplify right side
1,277,948.16x = 813,548,762,334.30 - Step 5: Solve for x
x = 813,548,762,334.30/1,277,948.16 - Step 6: Final answer
x = 636,605.45
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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.