Finding the Fourth Proportional to 2,031,831.90, 3,047,913.84 and 1,020,433.68
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Solution
The fourth proportional to 2,031,831.90, 3,047,913.84 and 1,020,433.68 is: 1,530,733.88
Step by Step Solution
- Step 1: Write the proportion equation
2,031,831.90 : 3,047,913.84 = 1,020,433.68 : x - Step 2: Convert to fraction form
2,031,831.90/3,047,913.84 = 1,020,433.68/x - Step 3: Cross multiply
2,031,831.90x = 3,047,913.84 × 1,020,433.68 - Step 4: Simplify right side
2,031,831.90x = 3,110,193,936,074.13 - Step 5: Solve for x
x = 3,110,193,936,074.13/2,031,831.90 - Step 6: Final answer
x = 1,530,733.88
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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.