Finding the Fourth Proportional to 3,745,291.32, 5,168,465.28 and 2,026,374.12
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Solution
The fourth proportional to 3,745,291.32, 5,168,465.28 and 2,026,374.12 is: 2,796,376.41
Step by Step Solution
- Step 1: Write the proportion equation
3,745,291.32 : 5,168,465.28 = 2,026,374.12 : x - Step 2: Convert to fraction form
3,745,291.32/5,168,465.28 = 2,026,374.12/x - Step 3: Cross multiply
3,745,291.32x = 5,168,465.28 × 2,026,374.12 - Step 4: Simplify right side
3,745,291.32x = 10,473,244,283,510.55 - Step 5: Solve for x
x = 10,473,244,283,510.55/3,745,291.32 - Step 6: Final answer
x = 2,796,376.41
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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.