Finding the Fourth Proportional to 5,315,260.14, 7,974,160.29 and 1,721,031.12
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Solution
The fourth proportional to 5,315,260.14, 7,974,160.29 and 1,721,031.12 is: 2,581,957.92
Step by Step Solution
- Step 1: Write the proportion equation
5,315,260.14 : 7,974,160.29 = 1,721,031.12 : x - Step 2: Convert to fraction form
5,315,260.14/7,974,160.29 = 1,721,031.12/x - Step 3: Cross multiply
5,315,260.14x = 7,974,160.29 × 1,721,031.12 - Step 4: Simplify right side
5,315,260.14x = 13,723,778,014,958.23 - Step 5: Solve for x
x = 13,723,778,014,958.23/5,315,260.14 - Step 6: Final answer
x = 2,581,957.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.