Finding the Fourth Proportional to 4,911,464.36, 6,778,319.46 and 2,736,361.64
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Solution
The fourth proportional to 4,911,464.36, 6,778,319.46 and 2,736,361.64 is: 3,776,456.88
Step by Step Solution
- Step 1: Write the proportion equation
4,911,464.36 : 6,778,319.46 = 2,736,361.64 : x - Step 2: Convert to fraction form
4,911,464.36/6,778,319.46 = 2,736,361.64/x - Step 3: Cross multiply
4,911,464.36x = 6,778,319.46 × 2,736,361.64 - Step 4: Simplify right side
4,911,464.36x = 18,547,933,360,693.96 - Step 5: Solve for x
x = 18,547,933,360,693.96/4,911,464.36 - Step 6: Final answer
x = 3,776,456.88
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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.