Finding the Fourth Proportional to 5,698,293.84, 7,864,275.60 and 3,251,507.40
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Solution
The fourth proportional to 5,698,293.84, 7,864,275.60 and 3,251,507.40 is: 4,487,439.75
Step by Step Solution
- Step 1: Write the proportion equation
5,698,293.84 : 7,864,275.60 = 3,251,507.40 : x - Step 2: Convert to fraction form
5,698,293.84/7,864,275.60 = 3,251,507.40/x - Step 3: Cross multiply
5,698,293.84x = 7,864,275.60 × 3,251,507.40 - Step 4: Simplify right side
5,698,293.84x = 25,570,750,309,039.44 - Step 5: Solve for x
x = 25,570,750,309,039.44/5,698,293.84 - Step 6: Final answer
x = 4,487,439.75
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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.