Finding the Fourth Proportional to 2,081,437.46, 3,122,370.29 and 785,681.28
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Solution
The fourth proportional to 2,081,437.46, 3,122,370.29 and 785,681.28 is: 1,178,602.74
Step by Step Solution
- Step 1: Write the proportion equation
2,081,437.46 : 3,122,370.29 = 785,681.28 : x - Step 2: Convert to fraction form
2,081,437.46/3,122,370.29 = 785,681.28/x - Step 3: Cross multiply
2,081,437.46x = 3,122,370.29 × 785,681.28 - Step 4: Simplify right side
2,081,437.46x = 2,453,187,882,152.77 - Step 5: Solve for x
x = 2,453,187,882,152.77/2,081,437.46 - Step 6: Final answer
x = 1,178,602.74
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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.