Finding the Fourth Proportional to 2,128,335.94, 2,937,199.36 and 1,198,364
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Solution
The fourth proportional to 2,128,335.94, 2,937,199.36 and 1,198,364 is: 1,653,796.24
Step by Step Solution
- Step 1: Write the proportion equation
2,128,335.94 : 2,937,199.36 = 1,198,364 : x - Step 2: Convert to fraction form
2,128,335.94/2,937,199.36 = 1,198,364/x - Step 3: Cross multiply
2,128,335.94x = 2,937,199.36 × 1,198,364 - Step 4: Simplify right side
2,128,335.94x = 3,519,833,973,847.04 - Step 5: Solve for x
x = 3,519,833,973,847.04/2,128,335.94 - Step 6: Final answer
x = 1,653,796.24
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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.