Finding the Fourth Proportional to 5,055,088.40, 7,582,632.58 and 1,689,295.40
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Solution
The fourth proportional to 5,055,088.40, 7,582,632.58 and 1,689,295.40 is: 2,533,943.09
Step by Step Solution
- Step 1: Write the proportion equation
5,055,088.40 : 7,582,632.58 = 1,689,295.40 : x - Step 2: Convert to fraction form
5,055,088.40/7,582,632.58 = 1,689,295.40/x - Step 3: Cross multiply
5,055,088.40x = 7,582,632.58 × 1,689,295.40 - Step 4: Simplify right side
5,055,088.40x = 12,809,306,337,284.13 - Step 5: Solve for x
x = 12,809,306,337,284.13/5,055,088.40 - Step 6: Final answer
x = 2,533,943.09
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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.