Finding the Fourth Proportional to 2,852,874.20, 3,937,370.10 and 1,765,495.98
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Solution
The fourth proportional to 2,852,874.20, 3,937,370.10 and 1,765,495.98 is: 2,436,634.28
Step by Step Solution
- Step 1: Write the proportion equation
2,852,874.20 : 3,937,370.10 = 1,765,495.98 : x - Step 2: Convert to fraction form
2,852,874.20/3,937,370.10 = 1,765,495.98/x - Step 3: Cross multiply
2,852,874.20x = 3,937,370.10 × 1,765,495.98 - Step 4: Simplify right side
2,852,874.20x = 6,951,411,083,322.20 - Step 5: Solve for x
x = 6,951,411,083,322.20/2,852,874.20 - Step 6: Final answer
x = 2,436,634.28
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1.5x scale
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.