Finding the Fourth Proportional to 3,184,077.60, 4,386,553.92 and 2,215,542.24
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Solution
The fourth proportional to 3,184,077.60, 4,386,553.92 and 2,215,542.24 is: 3,052,248.32
Step by Step Solution
- Step 1: Write the proportion equation
3,184,077.60 : 4,386,553.92 = 2,215,542.24 : x - Step 2: Convert to fraction form
3,184,077.60/4,386,553.92 = 2,215,542.24/x - Step 3: Cross multiply
3,184,077.60x = 4,386,553.92 × 2,215,542.24 - Step 4: Simplify right side
3,184,077.60x = 9,718,595,497,797.58 - Step 5: Solve for x
x = 9,718,595,497,797.58/3,184,077.60 - Step 6: Final answer
x = 3,052,248.32
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1.5x scale
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.