Finding the Fourth Proportional to 2,813,221.23, 4,219,831.89 and 683,290.99
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Solution
The fourth proportional to 2,813,221.23, 4,219,831.89 and 683,290.99 is: 1,024,936.50
Step by Step Solution
- Step 1: Write the proportion equation
2,813,221.23 : 4,219,831.89 = 683,290.99 : x - Step 2: Convert to fraction form
2,813,221.23/4,219,831.89 = 683,290.99/x - Step 3: Cross multiply
2,813,221.23x = 4,219,831.89 × 683,290.99 - Step 4: Simplify right side
2,813,221.23x = 2,883,373,115,026.46 - Step 5: Solve for x
x = 2,883,373,115,026.46/2,813,221.23 - Step 6: Final answer
x = 1,024,936.50
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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.