Finding the Fourth Proportional to 1,837,328.68, 2,536,222.62 and 1,225,260.28
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Solution
The fourth proportional to 1,837,328.68, 2,536,222.62 and 1,225,260.28 is: 1,691,332.03
Step by Step Solution
- Step 1: Write the proportion equation
1,837,328.68 : 2,536,222.62 = 1,225,260.28 : x - Step 2: Convert to fraction form
1,837,328.68/2,536,222.62 = 1,225,260.28/x - Step 3: Cross multiply
1,837,328.68x = 2,536,222.62 × 1,225,260.28 - Step 4: Simplify right side
1,837,328.68x = 3,107,532,837,523.53 - Step 5: Solve for x
x = 3,107,532,837,523.53/1,837,328.68 - Step 6: Final answer
x = 1,691,332.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.