Finding the Fourth Proportional to 4,426,477.92, 6,639,952.28 and 1,394,080.92
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Solution
The fourth proportional to 4,426,477.92, 6,639,952.28 and 1,394,080.92 is: 2,091,195.52
Step by Step Solution
- Step 1: Write the proportion equation
4,426,477.92 : 6,639,952.28 = 1,394,080.92 : x - Step 2: Convert to fraction form
4,426,477.92/6,639,952.28 = 1,394,080.92/x - Step 3: Cross multiply
4,426,477.92x = 6,639,952.28 × 1,394,080.92 - Step 4: Simplify right side
4,426,477.92x = 9,256,630,776,288.09 - Step 5: Solve for x
x = 9,256,630,776,288.09/4,426,477.92 - Step 6: Final answer
x = 2,091,195.52
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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.