Finding the Fourth Proportional to 2,716,840.74, 3,749,160.93 and 1,555,248.48
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Solution
The fourth proportional to 2,716,840.74, 3,749,160.93 and 1,555,248.48 is: 2,146,197.51
Step by Step Solution
- Step 1: Write the proportion equation
2,716,840.74 : 3,749,160.93 = 1,555,248.48 : x - Step 2: Convert to fraction form
2,716,840.74/3,749,160.93 = 1,555,248.48/x - Step 3: Cross multiply
2,716,840.74x = 3,749,160.93 × 1,555,248.48 - Step 4: Simplify right side
2,716,840.74x = 5,830,876,837,657.89 - Step 5: Solve for x
x = 5,830,876,837,657.89/2,716,840.74 - Step 6: Final answer
x = 2,146,197.51
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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.