Finding the Fourth Proportional to 1,531,906.41, 2,295,708.99 and 1,210,645.99
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Solution
The fourth proportional to 1,531,906.41, 2,295,708.99 and 1,210,645.99 is: 1,814,269.37
Step by Step Solution
- Step 1: Write the proportion equation
1,531,906.41 : 2,295,708.99 = 1,210,645.99 : x - Step 2: Convert to fraction form
1,531,906.41/2,295,708.99 = 1,210,645.99/x - Step 3: Cross multiply
1,531,906.41x = 2,295,708.99 × 1,210,645.99 - Step 4: Simplify right side
1,531,906.41x = 2,779,290,876,937.85 - Step 5: Solve for x
x = 2,779,290,876,937.85/1,531,906.41 - Step 6: Final answer
x = 1,814,269.37
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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.