Finding the Fourth Proportional to 2,576,335.92, 3,555,454.72 and 1,430,416.48
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Solution
The fourth proportional to 2,576,335.92, 3,555,454.72 and 1,430,416.48 is: 1,974,036.45
Step by Step Solution
- Step 1: Write the proportion equation
2,576,335.92 : 3,555,454.72 = 1,430,416.48 : x - Step 2: Convert to fraction form
2,576,335.92/3,555,454.72 = 1,430,416.48/x - Step 3: Cross multiply
2,576,335.92x = 3,555,454.72 × 1,430,416.48 - Step 4: Simplify right side
2,576,335.92x = 5,085,781,025,381.79 - Step 5: Solve for x
x = 5,085,781,025,381.79/2,576,335.92 - Step 6: Final answer
x = 1,974,036.45
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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.