Finding the Fourth Proportional to 1,572,242.40, 2,358,363.60 and 673,531.20
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Solution
The fourth proportional to 1,572,242.40, 2,358,363.60 and 673,531.20 is: 1,010,296.80
Step by Step Solution
- Step 1: Write the proportion equation
1,572,242.40 : 2,358,363.60 = 673,531.20 : x - Step 2: Convert to fraction form
1,572,242.40/2,358,363.60 = 673,531.20/x - Step 3: Cross multiply
1,572,242.40x = 2,358,363.60 × 673,531.20 - Step 4: Simplify right side
1,572,242.40x = 1,588,431,465,544.32 - Step 5: Solve for x
x = 1,588,431,465,544.32/1,572,242.40 - Step 6: Final answer
x = 1,010,296.80
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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.