Finding the Fourth Proportional to 1,417,245.16, 2,125,875.42 and 419,981.80
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Solution
The fourth proportional to 1,417,245.16, 2,125,875.42 and 419,981.80 is: 629,974.98
Step by Step Solution
- Step 1: Write the proportion equation
1,417,245.16 : 2,125,875.42 = 419,981.80 : x - Step 2: Convert to fraction form
1,417,245.16/2,125,875.42 = 419,981.80/x - Step 3: Cross multiply
1,417,245.16x = 2,125,875.42 × 419,981.80 - Step 4: Simplify right side
1,417,245.16x = 892,828,985,467.36 - Step 5: Solve for x
x = 892,828,985,467.36/1,417,245.16 - Step 6: Final answer
x = 629,974.98
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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.