Finding the Fourth Proportional to 4,083,887.80, 6,125,831.70 and 4,020,902.20
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Solution
The fourth proportional to 4,083,887.80, 6,125,831.70 and 4,020,902.20 is: 6,031,353.30
Step by Step Solution
- Step 1: Write the proportion equation
4,083,887.80 : 6,125,831.70 = 4,020,902.20 : x - Step 2: Convert to fraction form
4,083,887.80/6,125,831.70 = 4,020,902.20/x - Step 3: Cross multiply
4,083,887.80x = 6,125,831.70 × 4,020,902.20 - Step 4: Simplify right side
4,083,887.80x = 24,631,370,159,359.74 - Step 5: Solve for x
x = 24,631,370,159,359.74/4,083,887.80 - Step 6: Final answer
x = 6,031,353.30
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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.