Finding the Fourth Proportional to 2,686,971.99, 3,707,853.30 and 1,479,747.99
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Solution
The fourth proportional to 2,686,971.99, 3,707,853.30 and 1,479,747.99 is: 2,041,959.68
Step by Step Solution
- Step 1: Write the proportion equation
2,686,971.99 : 3,707,853.30 = 1,479,747.99 : x - Step 2: Convert to fraction form
2,686,971.99/3,707,853.30 = 1,479,747.99/x - Step 3: Cross multiply
2,686,971.99x = 3,707,853.30 × 1,479,747.99 - Step 4: Simplify right side
2,686,971.99x = 5,486,688,467,889.87 - Step 5: Solve for x
x = 5,486,688,467,889.87/2,686,971.99 - Step 6: Final answer
x = 2,041,959.68
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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.