Finding the Fourth Proportional to 1,638,826.68, 2,261,572.74 and 950,637.72
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Solution
The fourth proportional to 1,638,826.68, 2,261,572.74 and 950,637.72 is: 1,311,875.37
Step by Step Solution
- Step 1: Write the proportion equation
1,638,826.68 : 2,261,572.74 = 950,637.72 : x - Step 2: Convert to fraction form
1,638,826.68/2,261,572.74 = 950,637.72/x - Step 3: Cross multiply
1,638,826.68x = 2,261,572.74 × 950,637.72 - Step 4: Simplify right side
1,638,826.68x = 2,149,936,353,167.75 - Step 5: Solve for x
x = 2,149,936,353,167.75/1,638,826.68 - Step 6: Final answer
x = 1,311,875.37
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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.