Finding the Fourth Proportional to 2,297,363.68, 3,170,307.12 and 1,278,746.56
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Solution
The fourth proportional to 2,297,363.68, 3,170,307.12 and 1,278,746.56 is: 1,764,639.77
Step by Step Solution
- Step 1: Write the proportion equation
2,297,363.68 : 3,170,307.12 = 1,278,746.56 : x - Step 2: Convert to fraction form
2,297,363.68/3,170,307.12 = 1,278,746.56/x - Step 3: Cross multiply
2,297,363.68x = 3,170,307.12 × 1,278,746.56 - Step 4: Simplify right side
2,297,363.68x = 4,054,019,323,843.51 - Step 5: Solve for x
x = 4,054,019,323,843.51/2,297,363.68 - Step 6: Final answer
x = 1,764,639.77
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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.