Finding the Fourth Proportional to 3,979,042.17, 5,968,555.79 and 1,246,798.74
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Solution
The fourth proportional to 3,979,042.17, 5,968,555.79 and 1,246,798.74 is: 1,870,195.77
Step by Step Solution
- Step 1: Write the proportion equation
3,979,042.17 : 5,968,555.79 = 1,246,798.74 : x - Step 2: Convert to fraction form
3,979,042.17/5,968,555.79 = 1,246,798.74/x - Step 3: Cross multiply
3,979,042.17x = 5,968,555.79 × 1,246,798.74 - Step 4: Simplify right side
3,979,042.17x = 7,441,587,832,357.71 - Step 5: Solve for x
x = 7,441,587,832,357.71/3,979,042.17 - Step 6: Final answer
x = 1,870,195.77
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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.