Finding the Fourth Proportional to 5,258,252.49, 7,887,378.73 and 1,269,164.49
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Solution
The fourth proportional to 5,258,252.49, 7,887,378.73 and 1,269,164.49 is: 1,903,746.73
Step by Step Solution
- Step 1: Write the proportion equation
5,258,252.49 : 7,887,378.73 = 1,269,164.49 : x - Step 2: Convert to fraction form
5,258,252.49/7,887,378.73 = 1,269,164.49/x - Step 3: Cross multiply
5,258,252.49x = 7,887,378.73 × 1,269,164.49 - Step 4: Simplify right side
5,258,252.49x = 10,010,381,003,297.30 - Step 5: Solve for x
x = 10,010,381,003,297.30/5,258,252.49 - Step 6: Final answer
x = 1,903,746.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.