Finding the Fourth Proportional to 5,129,863.52, 7,713,252.68 and 4,729,948.16
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Solution
The fourth proportional to 5,129,863.52, 7,713,252.68 and 4,729,948.16 is: 7,111,940.73
Step by Step Solution
- Step 1: Write the proportion equation
5,129,863.52 : 7,713,252.68 = 4,729,948.16 : x - Step 2: Convert to fraction form
5,129,863.52/7,713,252.68 = 4,729,948.16/x - Step 3: Cross multiply
5,129,863.52x = 7,713,252.68 × 4,729,948.16 - Step 4: Simplify right side
5,129,863.52x = 36,483,285,259,165.06 - Step 5: Solve for x
x = 36,483,285,259,165.06/5,129,863.52 - Step 6: Final answer
x = 7,111,940.73
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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.