Finding the Fourth Proportional to 2,122,822.08, 2,928,725.12 and 1,204,519.42
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Solution
The fourth proportional to 2,122,822.08, 2,928,725.12 and 1,204,519.42 is: 1,661,800.26
Step by Step Solution
- Step 1: Write the proportion equation
2,122,822.08 : 2,928,725.12 = 1,204,519.42 : x - Step 2: Convert to fraction form
2,122,822.08/2,928,725.12 = 1,204,519.42/x - Step 3: Cross multiply
2,122,822.08x = 2,928,725.12 × 1,204,519.42 - Step 4: Simplify right side
2,122,822.08x = 3,527,706,282,881.83 - Step 5: Solve for x
x = 3,527,706,282,881.83/2,122,822.08 - Step 6: Final answer
x = 1,661,800.26
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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.