Finding the Fourth Proportional to 3,974,959.24, 5,485,444.86 and 2,232,631.36
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Solution
The fourth proportional to 3,974,959.24, 5,485,444.86 and 2,232,631.36 is: 3,081,031.90
Step by Step Solution
- Step 1: Write the proportion equation
3,974,959.24 : 5,485,444.86 = 2,232,631.36 : x - Step 2: Convert to fraction form
3,974,959.24/5,485,444.86 = 2,232,631.36/x - Step 3: Cross multiply
3,974,959.24x = 5,485,444.86 × 2,232,631.36 - Step 4: Simplify right side
3,974,959.24x = 12,246,976,217,986.81 - Step 5: Solve for x
x = 12,246,976,217,986.81/3,974,959.24 - Step 6: Final answer
x = 3,081,031.90
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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.