Finding the Fourth Proportional to 2,497,871.76, 3,447,126.02 and 1,531,534.87
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Solution
The fourth proportional to 2,497,871.76, 3,447,126.02 and 1,531,534.87 is: 2,113,556.74
Step by Step Solution
- Step 1: Write the proportion equation
2,497,871.76 : 3,447,126.02 = 1,531,534.87 : x - Step 2: Convert to fraction form
2,497,871.76/3,447,126.02 = 1,531,534.87/x - Step 3: Cross multiply
2,497,871.76x = 3,447,126.02 × 1,531,534.87 - Step 4: Simplify right side
2,497,871.76x = 5,279,393,700,914.32 - Step 5: Solve for x
x = 5,279,393,700,914.32/2,497,871.76 - Step 6: Final answer
x = 2,113,556.74
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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.