Finding the Fourth Proportional to 1,405,083.97, 2,107,631.49 and 340,124.32
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Solution
The fourth proportional to 1,405,083.97, 2,107,631.49 and 340,124.32 is: 510,187.82
Step by Step Solution
- Step 1: Write the proportion equation
1,405,083.97 : 2,107,631.49 = 340,124.32 : x - Step 2: Convert to fraction form
1,405,083.97/2,107,631.49 = 340,124.32/x - Step 3: Cross multiply
1,405,083.97x = 2,107,631.49 × 340,124.32 - Step 4: Simplify right side
1,405,083.97x = 716,856,727,346.84 - Step 5: Solve for x
x = 716,856,727,346.84/1,405,083.97 - Step 6: Final answer
x = 510,187.82
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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.