Finding the Fourth Proportional to 5,980,400.12, 8,263,747.64 and 4,258,531.28
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Solution
The fourth proportional to 5,980,400.12, 8,263,747.64 and 4,258,531.28 is: 5,884,460.42
Step by Step Solution
- Step 1: Write the proportion equation
5,980,400.12 : 8,263,747.64 = 4,258,531.28 : x - Step 2: Convert to fraction form
5,980,400.12/8,263,747.64 = 4,258,531.28/x - Step 3: Cross multiply
5,980,400.12x = 8,263,747.64 × 4,258,531.28 - Step 4: Simplify right side
5,980,400.12x = 35,191,427,814,966.18 - Step 5: Solve for x
x = 35,191,427,814,966.18/5,980,400.12 - Step 6: Final answer
x = 5,884,460.42
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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.