Finding the Fourth Proportional to 1,427,233.55, 2,141,625.49 and 828,625.01
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Solution
The fourth proportional to 1,427,233.55, 2,141,625.49 and 828,625.01 is: 1,243,387.56
Step by Step Solution
- Step 1: Write the proportion equation
1,427,233.55 : 2,141,625.49 = 828,625.01 : x - Step 2: Convert to fraction form
1,427,233.55/2,141,625.49 = 828,625.01/x - Step 3: Cross multiply
1,427,233.55x = 2,141,625.49 × 828,625.01 - Step 4: Simplify right side
1,427,233.55x = 1,774,604,430,287.81 - Step 5: Solve for x
x = 1,774,604,430,287.81/1,427,233.55 - Step 6: Final answer
x = 1,243,387.56
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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.