Finding the Fourth Proportional to 5,235,291.12, 7,852,708.20 and 1,640,976
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Solution
The fourth proportional to 5,235,291.12, 7,852,708.20 and 1,640,976 is: 2,461,392.38
Step by Step Solution
- Step 1: Write the proportion equation
5,235,291.12 : 7,852,708.20 = 1,640,976 : x - Step 2: Convert to fraction form
5,235,291.12/7,852,708.20 = 1,640,976/x - Step 3: Cross multiply
5,235,291.12x = 7,852,708.20 × 1,640,976 - Step 4: Simplify right side
5,235,291.12x = 12,886,105,691,203.20 - Step 5: Solve for x
x = 12,886,105,691,203.20/5,235,291.12 - Step 6: Final answer
x = 2,461,392.38
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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.