Finding the Fourth Proportional to 1,646,745.02, 2,272,459.20 and 911,731.98
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Solution
The fourth proportional to 1,646,745.02, 2,272,459.20 and 911,731.98 is: 1,258,163.05
Step by Step Solution
- Step 1: Write the proportion equation
1,646,745.02 : 2,272,459.20 = 911,731.98 : x - Step 2: Convert to fraction form
1,646,745.02/2,272,459.20 = 911,731.98/x - Step 3: Cross multiply
1,646,745.02x = 2,272,459.20 × 911,731.98 - Step 4: Simplify right side
1,646,745.02x = 2,071,873,725,885.22 - Step 5: Solve for x
x = 2,071,873,725,885.22/1,646,745.02 - Step 6: Final answer
x = 1,258,163.05
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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.