Finding the Fourth Proportional to 3,738,746.28, 5,159,320.68 and 2,107,492.20
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Solution
The fourth proportional to 3,738,746.28, 5,159,320.68 and 2,107,492.20 is: 2,908,255.14
Step by Step Solution
- Step 1: Write the proportion equation
3,738,746.28 : 5,159,320.68 = 2,107,492.20 : x - Step 2: Convert to fraction form
3,738,746.28/5,159,320.68 = 2,107,492.20/x - Step 3: Cross multiply
3,738,746.28x = 5,159,320.68 × 2,107,492.20 - Step 4: Simplify right side
3,738,746.28x = 10,873,228,090,398.70 - Step 5: Solve for x
x = 10,873,228,090,398.70/3,738,746.28 - Step 6: Final answer
x = 2,908,255.14
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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.