Finding the Fourth Proportional to 3,828,536.08, 5,283,018.84 and 2,258,423.20
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Solution
The fourth proportional to 3,828,536.08, 5,283,018.84 and 2,258,423.20 is: 3,116,411.09
Step by Step Solution
- Step 1: Write the proportion equation
3,828,536.08 : 5,283,018.84 = 2,258,423.20 : x - Step 2: Convert to fraction form
3,828,536.08/5,283,018.84 = 2,258,423.20/x - Step 3: Cross multiply
3,828,536.08x = 5,283,018.84 × 2,258,423.20 - Step 4: Simplify right side
3,828,536.08x = 11,931,292,314,293.09 - Step 5: Solve for x
x = 11,931,292,314,293.09/3,828,536.08 - Step 6: Final answer
x = 3,116,411.09
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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.