Finding the Fourth Proportional to 2,785,310.96, 3,844,412.79 and 1,698,181.91
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Solution
The fourth proportional to 2,785,310.96, 3,844,412.79 and 1,698,181.91 is: 2,343,907.86
Step by Step Solution
- Step 1: Write the proportion equation
2,785,310.96 : 3,844,412.79 = 1,698,181.91 : x - Step 2: Convert to fraction form
2,785,310.96/3,844,412.79 = 1,698,181.91/x - Step 3: Cross multiply
2,785,310.96x = 3,844,412.79 × 1,698,181.91 - Step 4: Simplify right side
2,785,310.96x = 6,528,512,243,376.93 - Step 5: Solve for x
x = 6,528,512,243,376.93/2,785,310.96 - Step 6: Final answer
x = 2,343,907.86
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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.