Finding the Fourth Proportional to 2,111,274.46, 2,913,480.70 and 1,144,383.99
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Solution
The fourth proportional to 2,111,274.46, 2,913,480.70 and 1,144,383.99 is: 1,579,207.60
Step by Step Solution
- Step 1: Write the proportion equation
2,111,274.46 : 2,913,480.70 = 1,144,383.99 : x - Step 2: Convert to fraction form
2,111,274.46/2,913,480.70 = 1,144,383.99/x - Step 3: Cross multiply
2,111,274.46x = 2,913,480.70 × 1,144,383.99 - Step 4: Simplify right side
2,111,274.46x = 3,334,140,668,253.99 - Step 5: Solve for x
x = 3,334,140,668,253.99/2,111,274.46 - Step 6: Final answer
x = 1,579,207.60
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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.