Finding the Fourth Proportional to 2,971,973.20, 4,101,370.68 and 1,682,779.12
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Solution
The fourth proportional to 2,971,973.20, 4,101,370.68 and 1,682,779.12 is: 2,322,262.17
Step by Step Solution
- Step 1: Write the proportion equation
2,971,973.20 : 4,101,370.68 = 1,682,779.12 : x - Step 2: Convert to fraction form
2,971,973.20/4,101,370.68 = 1,682,779.12/x - Step 3: Cross multiply
2,971,973.20x = 4,101,370.68 × 1,682,779.12 - Step 4: Simplify right side
2,971,973.20x = 6,901,700,943,684.20 - Step 5: Solve for x
x = 6,901,700,943,684.20/2,971,973.20 - Step 6: Final answer
x = 2,322,262.17
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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.