Finding the Fourth Proportional to 1,691,925.39, 2,335,415.38 and 1,512,564.08
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Solution
The fourth proportional to 1,691,925.39, 2,335,415.38 and 1,512,564.08 is: 2,087,837.57
Step by Step Solution
- Step 1: Write the proportion equation
1,691,925.39 : 2,335,415.38 = 1,512,564.08 : x - Step 2: Convert to fraction form
1,691,925.39/2,335,415.38 = 1,512,564.08/x - Step 3: Cross multiply
1,691,925.39x = 2,335,415.38 × 1,512,564.08 - Step 4: Simplify right side
1,691,925.39x = 3,532,465,400,209.06 - Step 5: Solve for x
x = 3,532,465,400,209.06/1,691,925.39 - Step 6: Final answer
x = 2,087,837.57
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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.