Finding the Fourth Proportional to 2,108,134.17, 3,163,502.70 and 828,516.71
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Solution
The fourth proportional to 2,108,134.17, 3,163,502.70 and 828,516.71 is: 1,243,286.55
Step by Step Solution
- Step 1: Write the proportion equation
2,108,134.17 : 3,163,502.70 = 828,516.71 : x - Step 2: Convert to fraction form
2,108,134.17/3,163,502.70 = 828,516.71/x - Step 3: Cross multiply
2,108,134.17x = 3,163,502.70 × 828,516.71 - Step 4: Simplify right side
2,108,134.17x = 2,621,014,849,080.12 - Step 5: Solve for x
x = 2,621,014,849,080.12/2,108,134.17 - Step 6: Final answer
x = 1,243,286.55
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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.