Finding the Fourth Proportional to 2,087,432.72, 3,130,162.18 and 808,639.14
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Solution
The fourth proportional to 2,087,432.72, 3,130,162.18 and 808,639.14 is: 1,212,576.40
Step by Step Solution
- Step 1: Write the proportion equation
2,087,432.72 : 3,130,162.18 = 808,639.14 : x - Step 2: Convert to fraction form
2,087,432.72/3,130,162.18 = 808,639.14/x - Step 3: Cross multiply
2,087,432.72x = 3,130,162.18 × 808,639.14 - Step 4: Simplify right side
2,087,432.72x = 2,531,171,653,295.73 - Step 5: Solve for x
x = 2,531,171,653,295.73/2,087,432.72 - Step 6: Final answer
x = 1,212,576.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.