Finding the Fourth Proportional to 4,027,980.80, 5,558,157.60 and 2,374,019.84
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Solution
The fourth proportional to 4,027,980.80, 5,558,157.60 and 2,374,019.84 is: 3,275,878.68
Step by Step Solution
- Step 1: Write the proportion equation
4,027,980.80 : 5,558,157.60 = 2,374,019.84 : x - Step 2: Convert to fraction form
4,027,980.80/5,558,157.60 = 2,374,019.84/x - Step 3: Cross multiply
4,027,980.80x = 5,558,157.60 × 2,374,019.84 - Step 4: Simplify right side
4,027,980.80x = 13,195,176,416,246.78 - Step 5: Solve for x
x = 13,195,176,416,246.78/4,027,980.80 - Step 6: Final answer
x = 3,275,878.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.