Finding the Fourth Proportional to 1,568,453.79, 2,352,681.60 and 769,549.98
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Solution
The fourth proportional to 1,568,453.79, 2,352,681.60 and 769,549.98 is: 1,154,325.42
Step by Step Solution
- Step 1: Write the proportion equation
1,568,453.79 : 2,352,681.60 = 769,549.98 : x - Step 2: Convert to fraction form
1,568,453.79/2,352,681.60 = 769,549.98/x - Step 3: Cross multiply
1,568,453.79x = 2,352,681.60 × 769,549.98 - Step 4: Simplify right side
1,568,453.79x = 1,810,506,078,226.37 - Step 5: Solve for x
x = 1,810,506,078,226.37/1,568,453.79 - Step 6: Final answer
x = 1,154,325.42
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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.