Finding the Fourth Proportional to 3,046,414.84, 4,203,980.94 and 1,688,258.68
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Solution
The fourth proportional to 3,046,414.84, 4,203,980.94 and 1,688,258.68 is: 2,329,757.33
Step by Step Solution
- Step 1: Write the proportion equation
3,046,414.84 : 4,203,980.94 = 1,688,258.68 : x - Step 2: Convert to fraction form
3,046,414.84/4,203,980.94 = 1,688,258.68/x - Step 3: Cross multiply
3,046,414.84x = 4,203,980.94 × 1,688,258.68 - Step 4: Simplify right side
3,046,414.84x = 7,097,407,312,509.56 - Step 5: Solve for x
x = 7,097,407,312,509.56/3,046,414.84 - Step 6: Final answer
x = 2,329,757.33
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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.