Finding the Fourth Proportional to 4,191,776.48, 5,785,264.14 and 2,356,385.94
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Solution
The fourth proportional to 4,191,776.48, 5,785,264.14 and 2,356,385.94 is: 3,252,156.97
Step by Step Solution
- Step 1: Write the proportion equation
4,191,776.48 : 5,785,264.14 = 2,356,385.94 : x - Step 2: Convert to fraction form
4,191,776.48/5,785,264.14 = 2,356,385.94/x - Step 3: Cross multiply
4,191,776.48x = 5,785,264.14 × 2,356,385.94 - Step 4: Simplify right side
4,191,776.48x = 13,632,315,078,682.19 - Step 5: Solve for x
x = 13,632,315,078,682.19/4,191,776.48 - Step 6: Final answer
x = 3,252,156.97
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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.