Finding the Fourth Proportional to 1,557,672.70, 2,332,572.45 and 1,242,744.70
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Solution
The fourth proportional to 1,557,672.70, 2,332,572.45 and 1,242,744.70 is: 1,860,976.35
Step by Step Solution
- Step 1: Write the proportion equation
1,557,672.70 : 2,332,572.45 = 1,242,744.70 : x - Step 2: Convert to fraction form
1,557,672.70/2,332,572.45 = 1,242,744.70/x - Step 3: Cross multiply
1,557,672.70x = 2,332,572.45 × 1,242,744.70 - Step 4: Simplify right side
1,557,672.70x = 2,898,792,049,603.52 - Step 5: Solve for x
x = 2,898,792,049,603.52/1,557,672.70 - Step 6: Final answer
x = 1,860,976.35
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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.