Finding the Fourth Proportional to 1,553,652.12, 2,330,751.42 and 642,831.96
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Solution
The fourth proportional to 1,553,652.12, 2,330,751.42 and 642,831.96 is: 964,360.99
Step by Step Solution
- Step 1: Write the proportion equation
1,553,652.12 : 2,330,751.42 = 642,831.96 : x - Step 2: Convert to fraction form
1,553,652.12/2,330,751.42 = 642,831.96/x - Step 3: Cross multiply
1,553,652.12x = 2,330,751.42 × 642,831.96 - Step 4: Simplify right side
1,553,652.12x = 1,498,281,503,591.38 - Step 5: Solve for x
x = 1,498,281,503,591.38/1,553,652.12 - Step 6: Final answer
x = 964,360.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.