Finding the Fourth Proportional to 1,974,418.44, 2,961,627.66 and 478,510.44
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Solution
The fourth proportional to 1,974,418.44, 2,961,627.66 and 478,510.44 is: 717,765.66
Step by Step Solution
- Step 1: Write the proportion equation
1,974,418.44 : 2,961,627.66 = 478,510.44 : x - Step 2: Convert to fraction form
1,974,418.44/2,961,627.66 = 478,510.44/x - Step 3: Cross multiply
1,974,418.44x = 2,961,627.66 × 478,510.44 - Step 4: Simplify right side
1,974,418.44x = 1,417,169,754,702.77 - Step 5: Solve for x
x = 1,417,169,754,702.77/1,974,418.44 - Step 6: Final answer
x = 717,765.66
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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.