Finding the Fourth Proportional to 2,567,831.70, 3,543,564.17 and 1,421,887.44
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Solution
The fourth proportional to 2,567,831.70, 3,543,564.17 and 1,421,887.44 is: 1,962,180.54
Step by Step Solution
- Step 1: Write the proportion equation
2,567,831.70 : 3,543,564.17 = 1,421,887.44 : x - Step 2: Convert to fraction form
2,567,831.70/3,543,564.17 = 1,421,887.44/x - Step 3: Cross multiply
2,567,831.70x = 3,543,564.17 × 1,421,887.44 - Step 4: Simplify right side
2,567,831.70x = 5,038,549,389,711.74 - Step 5: Solve for x
x = 5,038,549,389,711.74/2,567,831.70 - Step 6: Final answer
x = 1,962,180.54
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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.