Finding the Fourth Proportional to 2,104,938.12, 2,904,812.14 and 1,138,066.12
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Solution
The fourth proportional to 2,104,938.12, 2,904,812.14 and 1,138,066.12 is: 1,570,529.91
Step by Step Solution
- Step 1: Write the proportion equation
2,104,938.12 : 2,904,812.14 = 1,138,066.12 : x - Step 2: Convert to fraction form
2,104,938.12/2,904,812.14 = 1,138,066.12/x - Step 3: Cross multiply
2,104,938.12x = 2,904,812.14 × 1,138,066.12 - Step 4: Simplify right side
2,104,938.12x = 3,305,868,281,498.70 - Step 5: Solve for x
x = 3,305,868,281,498.70/2,104,938.12 - Step 6: Final answer
x = 1,570,529.91
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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.