Finding the Fourth Proportional to 3,742,304.51, 5,163,201.35 and 2,290,486.43
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Solution
The fourth proportional to 3,742,304.51, 5,163,201.35 and 2,290,486.43 is: 3,160,149.74
Step by Step Solution
- Step 1: Write the proportion equation
3,742,304.51 : 5,163,201.35 = 2,290,486.43 : x - Step 2: Convert to fraction form
3,742,304.51/5,163,201.35 = 2,290,486.43/x - Step 3: Cross multiply
3,742,304.51x = 5,163,201.35 × 2,290,486.43 - Step 4: Simplify right side
3,742,304.51x = 11,826,242,627,532.68 - Step 5: Solve for x
x = 11,826,242,627,532.68/3,742,304.51 - Step 6: Final answer
x = 3,160,149.74
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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.