Finding the Fourth Proportional to 5,823,605.76, 8,689,853.76 and 5,218,399.68
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Solution
The fourth proportional to 5,823,605.76, 8,689,853.76 and 5,218,399.68 is: 7,786,778.84
Step by Step Solution
- Step 1: Write the proportion equation
5,823,605.76 : 8,689,853.76 = 5,218,399.68 : x - Step 2: Convert to fraction form
5,823,605.76/8,689,853.76 = 5,218,399.68/x - Step 3: Cross multiply
5,823,605.76x = 8,689,853.76 × 5,218,399.68 - Step 4: Simplify right side
5,823,605.76x = 45,347,130,080,430.80 - Step 5: Solve for x
x = 45,347,130,080,430.80/5,823,605.76 - Step 6: Final answer
x = 7,786,778.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.