Finding the Fourth Proportional to 1,498,421.80, 2,247,632.70 and 740,626.30
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Solution
The fourth proportional to 1,498,421.80, 2,247,632.70 and 740,626.30 is: 1,110,939.45
Step by Step Solution
- Step 1: Write the proportion equation
1,498,421.80 : 2,247,632.70 = 740,626.30 : x - Step 2: Convert to fraction form
1,498,421.80/2,247,632.70 = 740,626.30/x - Step 3: Cross multiply
1,498,421.80x = 2,247,632.70 × 740,626.30 - Step 4: Simplify right side
1,498,421.80x = 1,664,655,890,360.01 - Step 5: Solve for x
x = 1,664,655,890,360.01/1,498,421.80 - Step 6: Final answer
x = 1,110,939.45
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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.