Finding the Fourth Proportional to 2,997,873.63, 4,135,903.88 and 1,909,950.48
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Solution
The fourth proportional to 2,997,873.63, 4,135,903.88 and 1,909,950.48 is: 2,634,991.52
Step by Step Solution
- Step 1: Write the proportion equation
2,997,873.63 : 4,135,903.88 = 1,909,950.48 : x - Step 2: Convert to fraction form
2,997,873.63/4,135,903.88 = 1,909,950.48/x - Step 3: Cross multiply
2,997,873.63x = 4,135,903.88 × 1,909,950.48 - Step 4: Simplify right side
2,997,873.63x = 7,899,371,591,290.11 - Step 5: Solve for x
x = 7,899,371,591,290.11/2,997,873.63 - Step 6: Final answer
x = 2,634,991.52
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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.