Finding the Fourth Proportional to 1,544,366.20, 2,316,986.70 and 479,515.90
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Solution
The fourth proportional to 1,544,366.20, 2,316,986.70 and 479,515.90 is: 719,409.66
Step by Step Solution
- Step 1: Write the proportion equation
1,544,366.20 : 2,316,986.70 = 479,515.90 : x - Step 2: Convert to fraction form
1,544,366.20/2,316,986.70 = 479,515.90/x - Step 3: Cross multiply
1,544,366.20x = 2,316,986.70 × 479,515.90 - Step 4: Simplify right side
1,544,366.20x = 1,111,031,962,738.53 - Step 5: Solve for x
x = 1,111,031,962,738.53/1,544,366.20 - Step 6: Final answer
x = 719,409.66
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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.