Finding the Fourth Proportional to 1,581,479.40, 2,372,197.68 and 383,412
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Solution
The fourth proportional to 1,581,479.40, 2,372,197.68 and 383,412 is: 575,112.81
Step by Step Solution
- Step 1: Write the proportion equation
1,581,479.40 : 2,372,197.68 = 383,412 : x - Step 2: Convert to fraction form
1,581,479.40/2,372,197.68 = 383,412/x - Step 3: Cross multiply
1,581,479.40x = 2,372,197.68 × 383,412 - Step 4: Simplify right side
1,581,479.40x = 909,529,056,884.16 - Step 5: Solve for x
x = 909,529,056,884.16/1,581,479.40 - Step 6: Final answer
x = 575,112.81
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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.