Finding the Fourth Proportional to 1,677,649.42, 2,315,156.07 and 913,702.98
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Solution
The fourth proportional to 1,677,649.42, 2,315,156.07 and 913,702.98 is: 1,260,910.05
Step by Step Solution
- Step 1: Write the proportion equation
1,677,649.42 : 2,315,156.07 = 913,702.98 : x - Step 2: Convert to fraction form
1,677,649.42/2,315,156.07 = 913,702.98/x - Step 3: Cross multiply
1,677,649.42x = 2,315,156.07 × 913,702.98 - Step 4: Simplify right side
1,677,649.42x = 2,115,365,012,432.31 - Step 5: Solve for x
x = 2,115,365,012,432.31/1,677,649.42 - Step 6: Final answer
x = 1,260,910.05
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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.