Finding the Fourth Proportional to 4,887,449.10, 6,744,355.56 and 2,711,854.26
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Solution
The fourth proportional to 4,887,449.10, 6,744,355.56 and 2,711,854.26 is: 3,742,178.99
Step by Step Solution
- Step 1: Write the proportion equation
4,887,449.10 : 6,744,355.56 = 2,711,854.26 : x - Step 2: Convert to fraction form
4,887,449.10/6,744,355.56 = 2,711,854.26/x - Step 3: Cross multiply
4,887,449.10x = 6,744,355.56 × 2,711,854.26 - Step 4: Simplify right side
4,887,449.10x = 18,289,709,356,340.68 - Step 5: Solve for x
x = 18,289,709,356,340.68/4,887,449.10 - Step 6: Final answer
x = 3,742,178.99
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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.