Finding the Fourth Proportional to 3,435,913.12, 4,740,796.56 and 2,077,756.96
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Solution
The fourth proportional to 3,435,913.12, 4,740,796.56 and 2,077,756.96 is: 2,866,842.88
Step by Step Solution
- Step 1: Write the proportion equation
3,435,913.12 : 4,740,796.56 = 2,077,756.96 : x - Step 2: Convert to fraction form
3,435,913.12/4,740,796.56 = 2,077,756.96/x - Step 3: Cross multiply
3,435,913.12x = 4,740,796.56 × 2,077,756.96 - Step 4: Simplify right side
3,435,913.12x = 9,850,223,048,484.06 - Step 5: Solve for x
x = 9,850,223,048,484.06/3,435,913.12 - Step 6: Final answer
x = 2,866,842.88
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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.