Finding the Fourth Proportional to 1,571,453.12, 2,358,353.60 and 1,064,812.80
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Solution
The fourth proportional to 1,571,453.12, 2,358,353.60 and 1,064,812.80 is: 1,598,014.65
Step by Step Solution
- Step 1: Write the proportion equation
1,571,453.12 : 2,358,353.60 = 1,064,812.80 : x - Step 2: Convert to fraction form
1,571,453.12/2,358,353.60 = 1,064,812.80/x - Step 3: Cross multiply
1,571,453.12x = 2,358,353.60 × 1,064,812.80 - Step 4: Simplify right side
1,571,453.12x = 2,511,205,100,206.08 - Step 5: Solve for x
x = 2,511,205,100,206.08/1,571,453.12 - Step 6: Final answer
x = 1,598,014.65
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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.