Finding the Fourth Proportional to 2,201,201.40, 3,298,691.70 and 1,357,246.20
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Solution
The fourth proportional to 2,201,201.40, 3,298,691.70 and 1,357,246.20 is: 2,033,951.45
Step by Step Solution
- Step 1: Write the proportion equation
2,201,201.40 : 3,298,691.70 = 1,357,246.20 : x - Step 2: Convert to fraction form
2,201,201.40/3,298,691.70 = 1,357,246.20/x - Step 3: Cross multiply
2,201,201.40x = 3,298,691.70 × 1,357,246.20 - Step 4: Simplify right side
2,201,201.40x = 4,477,136,774,796.54 - Step 5: Solve for x
x = 4,477,136,774,796.54/2,201,201.40 - Step 6: Final answer
x = 2,033,951.45
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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.