Finding the Fourth Proportional to 2,878,373.27, 3,972,217.12 and 1,589,295.33
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Solution
The fourth proportional to 2,878,373.27, 3,972,217.12 and 1,589,295.33 is: 2,193,261.79
Step by Step Solution
- Step 1: Write the proportion equation
2,878,373.27 : 3,972,217.12 = 1,589,295.33 : x - Step 2: Convert to fraction form
2,878,373.27/3,972,217.12 = 1,589,295.33/x - Step 3: Cross multiply
2,878,373.27x = 3,972,217.12 × 1,589,295.33 - Step 4: Simplify right side
2,878,373.27x = 6,313,026,114,588.81 - Step 5: Solve for x
x = 6,313,026,114,588.81/2,878,373.27 - Step 6: Final answer
x = 2,193,261.79
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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.