Finding the Fourth Proportional to 1,974,432.88, 2,961,649.34 and 478,524.88
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Solution
The fourth proportional to 1,974,432.88, 2,961,649.34 and 478,524.88 is: 717,787.32
Step by Step Solution
- Step 1: Write the proportion equation
1,974,432.88 : 2,961,649.34 = 478,524.88 : x - Step 2: Convert to fraction form
1,974,432.88/2,961,649.34 = 478,524.88/x - Step 3: Cross multiply
1,974,432.88x = 2,961,649.34 × 478,524.88 - Step 4: Simplify right side
1,974,432.88x = 1,417,222,877,824.71 - Step 5: Solve for x
x = 1,417,222,877,824.71/1,974,432.88 - Step 6: Final answer
x = 717,787.32
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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.