Finding the Fourth Proportional to 1,456,005.90, 2,183,620.05 and 445,125.90
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Solution
The fourth proportional to 1,456,005.90, 2,183,620.05 and 445,125.90 is: 667,569.99
Step by Step Solution
- Step 1: Write the proportion equation
1,456,005.90 : 2,183,620.05 = 445,125.90 : x - Step 2: Convert to fraction form
1,456,005.90/2,183,620.05 = 445,125.90/x - Step 3: Cross multiply
1,456,005.90x = 2,183,620.05 × 445,125.90 - Step 4: Simplify right side
1,456,005.90x = 971,985,840,014.30 - Step 5: Solve for x
x = 971,985,840,014.30/1,456,005.90 - Step 6: Final answer
x = 667,569.99
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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.