Finding the Fourth Proportional to 1,959,685.18, 2,704,325.52 and 1,100,245.12
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Solution
The fourth proportional to 1,959,685.18, 2,704,325.52 and 1,100,245.12 is: 1,518,315.79
Step by Step Solution
- Step 1: Write the proportion equation
1,959,685.18 : 2,704,325.52 = 1,100,245.12 : x - Step 2: Convert to fraction form
1,959,685.18/2,704,325.52 = 1,100,245.12/x - Step 3: Cross multiply
1,959,685.18x = 2,704,325.52 × 1,100,245.12 - Step 4: Simplify right side
1,959,685.18x = 2,975,420,956,271.46 - Step 5: Solve for x
x = 2,975,420,956,271.46/1,959,685.18 - Step 6: Final answer
x = 1,518,315.79
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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.