Finding the Fourth Proportional to 4,572,881.51, 6,310,121.60 and 2,639,764.86
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Solution
The fourth proportional to 4,572,881.51, 6,310,121.60 and 2,639,764.86 is: 3,642,612.92
Step by Step Solution
- Step 1: Write the proportion equation
4,572,881.51 : 6,310,121.60 = 2,639,764.86 : x - Step 2: Convert to fraction form
4,572,881.51/6,310,121.60 = 2,639,764.86/x - Step 3: Cross multiply
4,572,881.51x = 6,310,121.60 × 2,639,764.86 - Step 4: Simplify right side
4,572,881.51x = 16,657,237,248,808.15 - Step 5: Solve for x
x = 16,657,237,248,808.15/4,572,881.51 - Step 6: Final answer
x = 3,642,612.92
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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.