Finding the Fourth Proportional to 2,506,860.09, 3,459,481.11 and 1,474,411.21
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Solution
The fourth proportional to 2,506,860.09, 3,459,481.11 and 1,474,411.21 is: 2,034,695.81
Step by Step Solution
- Step 1: Write the proportion equation
2,506,860.09 : 3,459,481.11 = 1,474,411.21 : x - Step 2: Convert to fraction form
2,506,860.09/3,459,481.11 = 1,474,411.21/x - Step 3: Cross multiply
2,506,860.09x = 3,459,481.11 × 1,474,411.21 - Step 4: Simplify right side
2,506,860.09x = 5,100,697,720,718.54 - Step 5: Solve for x
x = 5,100,697,720,718.54/2,506,860.09 - Step 6: Final answer
x = 2,034,695.81
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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.