Finding the Fourth Proportional to 2,087,407.40, 3,130,124.10 and 808,613.84
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Solution
The fourth proportional to 2,087,407.40, 3,130,124.10 and 808,613.84 is: 1,212,538.42
Step by Step Solution
- Step 1: Write the proportion equation
2,087,407.40 : 3,130,124.10 = 808,613.84 : x - Step 2: Convert to fraction form
2,087,407.40/3,130,124.10 = 808,613.84/x - Step 3: Cross multiply
2,087,407.40x = 3,130,124.10 × 808,613.84 - Step 4: Simplify right side
2,087,407.40x = 2,531,061,668,177.54 - Step 5: Solve for x
x = 2,531,061,668,177.54/2,087,407.40 - Step 6: Final answer
x = 1,212,538.42
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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.