Finding the Fourth Proportional to 2,129,497.39, 2,938,775.88 and 1,162,701.19
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Solution
The fourth proportional to 2,129,497.39, 2,938,775.88 and 1,162,701.19 is: 1,604,565.58
Step by Step Solution
- Step 1: Write the proportion equation
2,129,497.39 : 2,938,775.88 = 1,162,701.19 : x - Step 2: Convert to fraction form
2,129,497.39/2,938,775.88 = 1,162,701.19/x - Step 3: Cross multiply
2,129,497.39x = 2,938,775.88 × 1,162,701.19 - Step 4: Simplify right side
2,129,497.39x = 3,416,918,212,819.30 - Step 5: Solve for x
x = 3,416,918,212,819.30/2,129,497.39 - Step 6: Final answer
x = 1,604,565.58
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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.