Finding the Fourth Proportional to 1,974,432.12, 2,961,648.18 and 478,524.12
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Solution
The fourth proportional to 1,974,432.12, 2,961,648.18 and 478,524.12 is: 717,786.18
Step by Step Solution
- Step 1: Write the proportion equation
1,974,432.12 : 2,961,648.18 = 478,524.12 : x - Step 2: Convert to fraction form
1,974,432.12/2,961,648.18 = 478,524.12/x - Step 3: Cross multiply
1,974,432.12x = 2,961,648.18 × 478,524.12 - Step 4: Simplify right side
1,974,432.12x = 1,417,220,089,084.10 - Step 5: Solve for x
x = 1,417,220,089,084.10/1,974,432.12 - Step 6: Final answer
x = 717,786.18
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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.