Finding the Fourth Proportional to 3,571,339.92, 4,927,604.79 and 2,101,312.63
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Solution
The fourth proportional to 3,571,339.92, 4,927,604.79 and 2,101,312.63 is: 2,899,314.66
Step by Step Solution
- Step 1: Write the proportion equation
3,571,339.92 : 4,927,604.79 = 2,101,312.63 : x - Step 2: Convert to fraction form
3,571,339.92/4,927,604.79 = 2,101,312.63/x - Step 3: Cross multiply
3,571,339.92x = 4,927,604.79 × 2,101,312.63 - Step 4: Simplify right side
3,571,339.92x = 10,354,438,180,875.50 - Step 5: Solve for x
x = 10,354,438,180,875.50/3,571,339.92 - Step 6: Final answer
x = 2,899,314.66
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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.