Finding the Fourth Proportional to 2,281,616.16, 3,425,788.62 and 1,272,709.32
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Solution
The fourth proportional to 2,281,616.16, 3,425,788.62 and 1,272,709.32 is: 1,910,940.67
Step by Step Solution
- Step 1: Write the proportion equation
2,281,616.16 : 3,425,788.62 = 1,272,709.32 : x - Step 2: Convert to fraction form
2,281,616.16/3,425,788.62 = 1,272,709.32/x - Step 3: Cross multiply
2,281,616.16x = 3,425,788.62 × 1,272,709.32 - Step 4: Simplify right side
2,281,616.16x = 4,360,033,105,023.94 - Step 5: Solve for x
x = 4,360,033,105,023.94/2,281,616.16 - Step 6: Final answer
x = 1,910,940.67
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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.