Finding the Fourth Proportional to 4,343,965.60, 6,516,562.80 and 1,351,837.60
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Solution
The fourth proportional to 4,343,965.60, 6,516,562.80 and 1,351,837.60 is: 2,027,947.60
Step by Step Solution
- Step 1: Write the proportion equation
4,343,965.60 : 6,516,562.80 = 1,351,837.60 : x - Step 2: Convert to fraction form
4,343,965.60/6,516,562.80 = 1,351,837.60/x - Step 3: Cross multiply
4,343,965.60x = 6,516,562.80 × 1,351,837.60 - Step 4: Simplify right side
4,343,965.60x = 8,809,334,615,801.28 - Step 5: Solve for x
x = 8,809,334,615,801.28/4,343,965.60 - Step 6: Final answer
x = 2,027,947.60
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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.