Finding the Fourth Proportional to 2,124,582.48, 3,186,865.08 and 862,399.44
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Solution
The fourth proportional to 2,124,582.48, 3,186,865.08 and 862,399.44 is: 1,293,595.65
Step by Step Solution
- Step 1: Write the proportion equation
2,124,582.48 : 3,186,865.08 = 862,399.44 : x - Step 2: Convert to fraction form
2,124,582.48/3,186,865.08 = 862,399.44/x - Step 3: Cross multiply
2,124,582.48x = 3,186,865.08 × 862,399.44 - Step 4: Simplify right side
2,124,582.48x = 2,748,350,660,347.56 - Step 5: Solve for x
x = 2,748,350,660,347.56/2,124,582.48 - Step 6: Final answer
x = 1,293,595.65
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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.