Finding the Fourth Proportional to 2,056,428.81, 2,837,468.48 and 1,292,039.51
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Solution
The fourth proportional to 2,056,428.81, 2,837,468.48 and 1,292,039.51 is: 1,782,761.14
Step by Step Solution
- Step 1: Write the proportion equation
2,056,428.81 : 2,837,468.48 = 1,292,039.51 : x - Step 2: Convert to fraction form
2,056,428.81/2,837,468.48 = 1,292,039.51/x - Step 3: Cross multiply
2,056,428.81x = 2,837,468.48 × 1,292,039.51 - Step 4: Simplify right side
2,056,428.81x = 3,666,121,363,892.10 - Step 5: Solve for x
x = 3,666,121,363,892.10/2,056,428.81 - Step 6: Final answer
x = 1,782,761.14
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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.