Finding the Fourth Proportional to 1,618,212.29, 2,427,362.18 and 420,108.08
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Solution
The fourth proportional to 1,618,212.29, 2,427,362.18 and 420,108.08 is: 630,173.48
Step by Step Solution
- Step 1: Write the proportion equation
1,618,212.29 : 2,427,362.18 = 420,108.08 : x - Step 2: Convert to fraction form
1,618,212.29/2,427,362.18 = 420,108.08/x - Step 3: Cross multiply
1,618,212.29x = 2,427,362.18 × 420,108.08 - Step 4: Simplify right side
1,618,212.29x = 1,019,754,462,803.87 - Step 5: Solve for x
x = 1,019,754,462,803.87/1,618,212.29 - Step 6: Final answer
x = 630,173.48
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1.5x scale
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.