Finding the Fourth Proportional to 4,991,301.99, 6,887,996.78 and 2,699,462.68
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Solution
The fourth proportional to 4,991,301.99, 6,887,996.78 and 2,699,462.68 is: 3,725,258.51
Step by Step Solution
- Step 1: Write the proportion equation
4,991,301.99 : 6,887,996.78 = 2,699,462.68 : x - Step 2: Convert to fraction form
4,991,301.99/6,887,996.78 = 2,699,462.68/x - Step 3: Cross multiply
4,991,301.99x = 6,887,996.78 × 2,699,462.68 - Step 4: Simplify right side
4,991,301.99x = 18,593,890,216,852.87 - Step 5: Solve for x
x = 18,593,890,216,852.87/4,991,301.99 - Step 6: Final answer
x = 3,725,258.51
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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.