Finding the Fourth Proportional to 1,638,513.23, 2,458,884.41 and 1,005,494.99
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Solution
The fourth proportional to 1,638,513.23, 2,458,884.41 and 1,005,494.99 is: 1,508,926.45
Step by Step Solution
- Step 1: Write the proportion equation
1,638,513.23 : 2,458,884.41 = 1,005,494.99 : x - Step 2: Convert to fraction form
1,638,513.23/2,458,884.41 = 1,005,494.99/x - Step 3: Cross multiply
1,638,513.23x = 2,458,884.41 × 1,005,494.99 - Step 4: Simplify right side
1,638,513.23x = 2,472,395,950,216.63 - Step 5: Solve for x
x = 2,472,395,950,216.63/1,638,513.23 - Step 6: Final answer
x = 1,508,926.45
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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.