Finding the Fourth Proportional to 3,518,424.65, 4,855,883.37 and 1,970,275.79
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Solution
The fourth proportional to 3,518,424.65, 4,855,883.37 and 1,970,275.79 is: 2,719,236.70
Step by Step Solution
- Step 1: Write the proportion equation
3,518,424.65 : 4,855,883.37 = 1,970,275.79 : x - Step 2: Convert to fraction form
3,518,424.65/4,855,883.37 = 1,970,275.79/x - Step 3: Cross multiply
3,518,424.65x = 4,855,883.37 × 1,970,275.79 - Step 4: Simplify right side
3,518,424.65x = 9,567,429,442,974.61 - Step 5: Solve for x
x = 9,567,429,442,974.61/3,518,424.65 - Step 6: Final answer
x = 2,719,236.70
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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.