Finding the Fourth Proportional to 4,534,708.77, 6,258,340.13 and 3,386,796.21
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Solution
The fourth proportional to 4,534,708.77, 6,258,340.13 and 3,386,796.21 is: 4,674,108.90
Step by Step Solution
- Step 1: Write the proportion equation
4,534,708.77 : 6,258,340.13 = 3,386,796.21 : x - Step 2: Convert to fraction form
4,534,708.77/6,258,340.13 = 3,386,796.21/x - Step 3: Cross multiply
4,534,708.77x = 6,258,340.13 × 3,386,796.21 - Step 4: Simplify right side
4,534,708.77x = 21,195,722,616,240.93 - Step 5: Solve for x
x = 21,195,722,616,240.93/4,534,708.77 - Step 6: Final answer
x = 4,674,108.90
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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.