Finding the Fourth Proportional to 2,153,370.10, 2,971,860.14 and 1,608,560.03
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Solution
The fourth proportional to 2,153,370.10, 2,971,860.14 and 1,608,560.03 is: 2,219,969.26
Step by Step Solution
- Step 1: Write the proportion equation
2,153,370.10 : 2,971,860.14 = 1,608,560.03 : x - Step 2: Convert to fraction form
2,153,370.10/2,971,860.14 = 1,608,560.03/x - Step 3: Cross multiply
2,153,370.10x = 2,971,860.14 × 1,608,560.03 - Step 4: Simplify right side
2,153,370.10x = 4,780,415,435,954.20 - Step 5: Solve for x
x = 4,780,415,435,954.20/2,153,370.10 - Step 6: Final answer
x = 2,219,969.26
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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.