Finding the Fourth Proportional to 4,278,484.22, 6,416,036.02 and 1,359,527.32
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Solution
The fourth proportional to 4,278,484.22, 6,416,036.02 and 1,359,527.32 is: 2,038,753.87
Step by Step Solution
- Step 1: Write the proportion equation
4,278,484.22 : 6,416,036.02 = 1,359,527.32 : x - Step 2: Convert to fraction form
4,278,484.22/6,416,036.02 = 1,359,527.32/x - Step 3: Cross multiply
4,278,484.22x = 6,416,036.02 × 1,359,527.32 - Step 4: Simplify right side
4,278,484.22x = 8,722,776,255,294.07 - Step 5: Solve for x
x = 8,722,776,255,294.07/4,278,484.22 - Step 6: Final answer
x = 2,038,753.87
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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.