Finding the Fourth Proportional to 2,917,810.20, 4,366,217.70 and 1,973,026.20
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Solution
The fourth proportional to 2,917,810.20, 4,366,217.70 and 1,973,026.20 is: 2,952,440.81
Step by Step Solution
- Step 1: Write the proportion equation
2,917,810.20 : 4,366,217.70 = 1,973,026.20 : x - Step 2: Convert to fraction form
2,917,810.20/4,366,217.70 = 1,973,026.20/x - Step 3: Cross multiply
2,917,810.20x = 4,366,217.70 × 1,973,026.20 - Step 4: Simplify right side
2,917,810.20x = 8,614,661,917,003.74 - Step 5: Solve for x
x = 8,614,661,917,003.74/2,917,810.20 - Step 6: Final answer
x = 2,952,440.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.