Finding the Fourth Proportional to 1,584,335.12, 2,186,343.97 and 905,227.88
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Solution
The fourth proportional to 1,584,335.12, 2,186,343.97 and 905,227.88 is: 1,249,192.48
Step by Step Solution
- Step 1: Write the proportion equation
1,584,335.12 : 2,186,343.97 = 905,227.88 : x - Step 2: Convert to fraction form
1,584,335.12/2,186,343.97 = 905,227.88/x - Step 3: Cross multiply
1,584,335.12x = 2,186,343.97 × 905,227.88 - Step 4: Simplify right side
1,584,335.12x = 1,979,139,503,719.09 - Step 5: Solve for x
x = 1,979,139,503,719.09/1,584,335.12 - Step 6: Final answer
x = 1,249,192.48
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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.