Finding the Fourth Proportional to 1,472,220.06, 2,208,330.99 and 461,420.85
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Solution
The fourth proportional to 1,472,220.06, 2,208,330.99 and 461,420.85 is: 692,131.56
Step by Step Solution
- Step 1: Write the proportion equation
1,472,220.06 : 2,208,330.99 = 461,420.85 : x - Step 2: Convert to fraction form
1,472,220.06/2,208,330.99 = 461,420.85/x - Step 3: Cross multiply
1,472,220.06x = 2,208,330.99 × 461,420.85 - Step 4: Simplify right side
1,472,220.06x = 1,018,969,962,487.14 - Step 5: Solve for x
x = 1,018,969,962,487.14/1,472,220.06 - Step 6: Final answer
x = 692,131.56
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1.5x scale
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.