Finding the Fourth Proportional to 875,190.10, 1,310,711.55 and 875,190.10
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Solution
The fourth proportional to 875,190.10, 1,310,711.55 and 875,190.10 is: 1,310,711.55
Step by Step Solution
- Step 1: Write the proportion equation
875,190.10 : 1,310,711.55 = 875,190.10 : x - Step 2: Convert to fraction form
875,190.10/1,310,711.55 = 875,190.10/x - Step 3: Cross multiply
875,190.10x = 1,310,711.55 × 875,190.10 - Step 4: Simplify right side
875,190.10x = 1,147,121,772,515.66 - Step 5: Solve for x
x = 1,147,121,772,515.66/875,190.10 - Step 6: Final answer
x = 1,310,711.55
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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.