Finding the Fourth Proportional to 4,758,847.76, 7,129,611.09 and 4,248,664.40
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Solution
The fourth proportional to 4,758,847.76, 7,129,611.09 and 4,248,664.40 is: 6,365,264.52
Step by Step Solution
- Step 1: Write the proportion equation
4,758,847.76 : 7,129,611.09 = 4,248,664.40 : x - Step 2: Convert to fraction form
4,758,847.76/7,129,611.09 = 4,248,664.40/x - Step 3: Cross multiply
4,758,847.76x = 7,129,611.09 × 4,248,664.40 - Step 4: Simplify right side
4,758,847.76x = 30,291,324,841,752.22 - Step 5: Solve for x
x = 30,291,324,841,752.22/4,758,847.76 - Step 6: Final answer
x = 6,365,264.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.