Finding the Fourth Proportional to 1,625,409.48, 2,242,966.55 and 900,213.95
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Solution
The fourth proportional to 1,625,409.48, 2,242,966.55 and 900,213.95 is: 1,242,240.68
Step by Step Solution
- Step 1: Write the proportion equation
1,625,409.48 : 2,242,966.55 = 900,213.95 : x - Step 2: Convert to fraction form
1,625,409.48/2,242,966.55 = 900,213.95/x - Step 3: Cross multiply
1,625,409.48x = 2,242,966.55 × 900,213.95 - Step 4: Simplify right side
1,625,409.48x = 2,019,149,778,799.72 - Step 5: Solve for x
x = 2,019,149,778,799.72/1,625,409.48 - Step 6: Final answer
x = 1,242,240.68
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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.