Finding the Fourth Proportional to 1,778,702.43, 2,454,608.79 and 962,905.53
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Solution
The fourth proportional to 1,778,702.43, 2,454,608.79 and 962,905.53 is: 1,328,809.33
Step by Step Solution
- Step 1: Write the proportion equation
1,778,702.43 : 2,454,608.79 = 962,905.53 : x - Step 2: Convert to fraction form
1,778,702.43/2,454,608.79 = 962,905.53/x - Step 3: Cross multiply
1,778,702.43x = 2,454,608.79 × 962,905.53 - Step 4: Simplify right side
1,778,702.43x = 2,363,556,377,877.61 - Step 5: Solve for x
x = 2,363,556,377,877.61/1,778,702.43 - Step 6: Final answer
x = 1,328,809.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.