Finding the Fourth Proportional to 2,819,437.46, 3,890,827.12 and 1,530,278.18
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Solution
The fourth proportional to 2,819,437.46, 3,890,827.12 and 1,530,278.18 is: 2,111,785.75
Step by Step Solution
- Step 1: Write the proportion equation
2,819,437.46 : 3,890,827.12 = 1,530,278.18 : x - Step 2: Convert to fraction form
2,819,437.46/3,890,827.12 = 1,530,278.18/x - Step 3: Cross multiply
2,819,437.46x = 3,890,827.12 × 1,530,278.18 - Step 4: Simplify right side
2,819,437.46x = 5,954,047,843,888.24 - Step 5: Solve for x
x = 5,954,047,843,888.24/2,819,437.46 - Step 6: Final answer
x = 2,111,785.75
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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.