Finding the Fourth Proportional to 4,927,911.64, 6,800,445.68 and 2,752,486.54
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Solution
The fourth proportional to 4,927,911.64, 6,800,445.68 and 2,752,486.54 is: 3,798,390.99
Step by Step Solution
- Step 1: Write the proportion equation
4,927,911.64 : 6,800,445.68 = 2,752,486.54 : x - Step 2: Convert to fraction form
4,927,911.64/6,800,445.68 = 2,752,486.54/x - Step 3: Cross multiply
4,927,911.64x = 6,800,445.68 × 2,752,486.54 - Step 4: Simplify right side
4,927,911.64x = 18,718,135,169,437.60 - Step 5: Solve for x
x = 18,718,135,169,437.60/4,927,911.64 - Step 6: Final answer
x = 3,798,390.99
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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.