Finding the Fourth Proportional to 2,151,217.28, 2,968,567.04 and 1,184,158.68
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Solution
The fourth proportional to 2,151,217.28, 2,968,567.04 and 1,184,158.68 is: 1,634,076.88
Step by Step Solution
- Step 1: Write the proportion equation
2,151,217.28 : 2,968,567.04 = 1,184,158.68 : x - Step 2: Convert to fraction form
2,151,217.28/2,968,567.04 = 1,184,158.68/x - Step 3: Cross multiply
2,151,217.28x = 2,968,567.04 × 1,184,158.68 - Step 4: Simplify right side
2,151,217.28x = 3,515,254,427,577.91 - Step 5: Solve for x
x = 3,515,254,427,577.91/2,151,217.28 - Step 6: Final answer
x = 1,634,076.88
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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.