Finding the Fourth Proportional to 4,018,381.19, 5,545,368.20 and 2,207,661.83
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Solution
The fourth proportional to 4,018,381.19, 5,545,368.20 and 2,207,661.83 is: 3,046,574.51
Step by Step Solution
- Step 1: Write the proportion equation
4,018,381.19 : 5,545,368.20 = 2,207,661.83 : x - Step 2: Convert to fraction form
4,018,381.19/5,545,368.20 = 2,207,661.83/x - Step 3: Cross multiply
4,018,381.19x = 5,545,368.20 × 2,207,661.83 - Step 4: Simplify right side
4,018,381.19x = 12,242,297,708,435.81 - Step 5: Solve for x
x = 12,242,297,708,435.81/4,018,381.19 - Step 6: Final answer
x = 3,046,574.51
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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.