Finding the Fourth Proportional to 3,560,120.81, 4,911,758.17 and 2,011,156.19
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Solution
The fourth proportional to 3,560,120.81, 4,911,758.17 and 2,011,156.19 is: 2,774,712.82
Step by Step Solution
- Step 1: Write the proportion equation
3,560,120.81 : 4,911,758.17 = 2,011,156.19 : x - Step 2: Convert to fraction form
3,560,120.81/4,911,758.17 = 2,011,156.19/x - Step 3: Cross multiply
3,560,120.81x = 4,911,758.17 × 2,011,156.19 - Step 4: Simplify right side
3,560,120.81x = 9,878,312,822,819.78 - Step 5: Solve for x
x = 9,878,312,822,819.78/3,560,120.81 - Step 6: Final answer
x = 2,774,712.82
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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.