Finding the Fourth Proportional to 3,874,555.14, 5,346,282.06 and 2,242,643.28
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Solution
The fourth proportional to 3,874,555.14, 5,346,282.06 and 2,242,643.28 is: 3,094,498.10
Step by Step Solution
- Step 1: Write the proportion equation
3,874,555.14 : 5,346,282.06 = 2,242,643.28 : x - Step 2: Convert to fraction form
3,874,555.14/5,346,282.06 = 2,242,643.28/x - Step 3: Cross multiply
3,874,555.14x = 5,346,282.06 × 2,242,643.28 - Step 4: Simplify right side
3,874,555.14x = 11,989,803,534,843.55 - Step 5: Solve for x
x = 11,989,803,534,843.55/3,874,555.14 - Step 6: Final answer
x = 3,094,498.10
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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.