Finding the Fourth Proportional to 5,353,175.26, 7,387,181.62 and 2,905,733.63
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Solution
The fourth proportional to 5,353,175.26, 7,387,181.62 and 2,905,733.63 is: 4,009,803.72
Step by Step Solution
- Step 1: Write the proportion equation
5,353,175.26 : 7,387,181.62 = 2,905,733.63 : x - Step 2: Convert to fraction form
5,353,175.26/7,387,181.62 = 2,905,733.63/x - Step 3: Cross multiply
5,353,175.26x = 7,387,181.62 × 2,905,733.63 - Step 4: Simplify right side
5,353,175.26x = 21,465,182,070,923.80 - Step 5: Solve for x
x = 21,465,182,070,923.80/5,353,175.26 - Step 6: Final answer
x = 4,009,803.72
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1.5x scale
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.