Finding the Fourth Proportional to 2,753,318.18, 3,799,646.78 and 1,512,918.59
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Solution
The fourth proportional to 2,753,318.18, 3,799,646.78 and 1,512,918.59 is: 2,087,864.84
Step by Step Solution
- Step 1: Write the proportion equation
2,753,318.18 : 3,799,646.78 = 1,512,918.59 : x - Step 2: Convert to fraction form
2,753,318.18/3,799,646.78 = 1,512,918.59/x - Step 3: Cross multiply
2,753,318.18x = 3,799,646.78 × 1,512,918.59 - Step 4: Simplify right side
2,753,318.18x = 5,748,556,222,332.81 - Step 5: Solve for x
x = 5,748,556,222,332.81/2,753,318.18 - Step 6: Final answer
x = 2,087,864.84
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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.