Finding the Fourth Proportional to 2,917,306.97, 4,026,410.62 and 1,739,981.36
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Solution
The fourth proportional to 2,917,306.97, 4,026,410.62 and 1,739,981.36 is: 2,401,488.59
Step by Step Solution
- Step 1: Write the proportion equation
2,917,306.97 : 4,026,410.62 = 1,739,981.36 : x - Step 2: Convert to fraction form
2,917,306.97/4,026,410.62 = 1,739,981.36/x - Step 3: Cross multiply
2,917,306.97x = 4,026,410.62 × 1,739,981.36 - Step 4: Simplify right side
2,917,306.97x = 7,005,879,419,438.92 - Step 5: Solve for x
x = 7,005,879,419,438.92/2,917,306.97 - Step 6: Final answer
x = 2,401,488.59
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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.