Finding the Fourth Proportional to 2,107,344.12, 2,908,135.08 and 1,140,481.41
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Solution
The fourth proportional to 2,107,344.12, 2,908,135.08 and 1,140,481.41 is: 1,573,864.45
Step by Step Solution
- Step 1: Write the proportion equation
2,107,344.12 : 2,908,135.08 = 1,140,481.41 : x - Step 2: Convert to fraction form
2,107,344.12/2,908,135.08 = 1,140,481.41/x - Step 3: Cross multiply
2,107,344.12x = 2,908,135.08 × 1,140,481.41 - Step 4: Simplify right side
2,107,344.12x = 3,316,673,996,508.86 - Step 5: Solve for x
x = 3,316,673,996,508.86/2,107,344.12 - Step 6: Final answer
x = 1,573,864.45
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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.