Finding the Fourth Proportional to 2,716,840.96, 3,749,161.26 and 1,555,248.76
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Solution
The fourth proportional to 2,716,840.96, 3,749,161.26 and 1,555,248.76 is: 2,146,197.91
Step by Step Solution
- Step 1: Write the proportion equation
2,716,840.96 : 3,749,161.26 = 1,555,248.76 : x - Step 2: Convert to fraction form
2,716,840.96/3,749,161.26 = 1,555,248.76/x - Step 3: Cross multiply
2,716,840.96x = 3,749,161.26 × 1,555,248.76 - Step 4: Simplify right side
2,716,840.96x = 5,830,878,400,655.04 - Step 5: Solve for x
x = 5,830,878,400,655.04/2,716,840.96 - Step 6: Final answer
x = 2,146,197.91
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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.