Finding the Fourth Proportional to 5,372,402.40, 8,058,603.60 and 1,585,879.20
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Solution
The fourth proportional to 5,372,402.40, 8,058,603.60 and 1,585,879.20 is: 2,378,818.80
Step by Step Solution
- Step 1: Write the proportion equation
5,372,402.40 : 8,058,603.60 = 1,585,879.20 : x - Step 2: Convert to fraction form
5,372,402.40/8,058,603.60 = 1,585,879.20/x - Step 3: Cross multiply
5,372,402.40x = 8,058,603.60 × 1,585,879.20 - Step 4: Simplify right side
5,372,402.40x = 12,779,971,830,285.12 - Step 5: Solve for x
x = 12,779,971,830,285.12/5,372,402.40 - Step 6: Final answer
x = 2,378,818.80
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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.