Finding the Fourth Proportional to 2,272,122.08, 3,135,419.04 and 1,239,568.40
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Solution
The fourth proportional to 2,272,122.08, 3,135,419.04 and 1,239,568.40 is: 1,710,544.69
Step by Step Solution
- Step 1: Write the proportion equation
2,272,122.08 : 3,135,419.04 = 1,239,568.40 : x - Step 2: Convert to fraction form
2,272,122.08/3,135,419.04 = 1,239,568.40/x - Step 3: Cross multiply
2,272,122.08x = 3,135,419.04 × 1,239,568.40 - Step 4: Simplify right side
2,272,122.08x = 3,886,566,362,742.34 - Step 5: Solve for x
x = 3,886,566,362,742.34/2,272,122.08 - Step 6: Final answer
x = 1,710,544.69
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1.5x scale
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.