Finding the Fourth Proportional to 1,939,961.68, 2,676,219.93 and 1,507,280.74
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Solution
The fourth proportional to 1,939,961.68, 2,676,219.93 and 1,507,280.74 is: 2,079,327.03
Step by Step Solution
- Step 1: Write the proportion equation
1,939,961.68 : 2,676,219.93 = 1,507,280.74 : x - Step 2: Convert to fraction form
1,939,961.68/2,676,219.93 = 1,507,280.74/x - Step 3: Cross multiply
1,939,961.68x = 2,676,219.93 × 1,507,280.74 - Step 4: Simplify right side
1,939,961.68x = 4,033,814,756,493.15 - Step 5: Solve for x
x = 4,033,814,756,493.15/1,939,961.68 - Step 6: Final answer
x = 2,079,327.03
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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.