Finding the Fourth Proportional to 4,278,157.08, 6,417,250.28 and 1,083,281.78
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Solution
The fourth proportional to 4,278,157.08, 6,417,250.28 and 1,083,281.78 is: 1,624,926.37
Step by Step Solution
- Step 1: Write the proportion equation
4,278,157.08 : 6,417,250.28 = 1,083,281.78 : x - Step 2: Convert to fraction form
4,278,157.08/6,417,250.28 = 1,083,281.78/x - Step 3: Cross multiply
4,278,157.08x = 6,417,250.28 × 1,083,281.78 - Step 4: Simplify right side
4,278,157.08x = 6,951,690,268,521.24 - Step 5: Solve for x
x = 6,951,690,268,521.24/4,278,157.08 - Step 6: Final answer
x = 1,624,926.37
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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.