Finding the Fourth Proportional to 1,477,420.68, 2,215,343.34 and 766,733.16
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Solution
The fourth proportional to 1,477,420.68, 2,215,343.34 and 766,733.16 is: 1,149,690.96
Step by Step Solution
- Step 1: Write the proportion equation
1,477,420.68 : 2,215,343.34 = 766,733.16 : x - Step 2: Convert to fraction form
1,477,420.68/2,215,343.34 = 766,733.16/x - Step 3: Cross multiply
1,477,420.68x = 2,215,343.34 × 766,733.16 - Step 4: Simplify right side
1,477,420.68x = 1,698,577,199,563.15 - Step 5: Solve for x
x = 1,698,577,199,563.15/1,477,420.68 - Step 6: Final answer
x = 1,149,690.96
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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.