Finding the Fourth Proportional to 2,973,780.80, 4,464,170.40 and 2,952,785.60
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Solution
The fourth proportional to 2,973,780.80, 4,464,170.40 and 2,952,785.60 is: 4,432,652.90
Step by Step Solution
- Step 1: Write the proportion equation
2,973,780.80 : 4,464,170.40 = 2,952,785.60 : x - Step 2: Convert to fraction form
2,973,780.80/4,464,170.40 = 2,952,785.60/x - Step 3: Cross multiply
2,973,780.80x = 4,464,170.40 × 2,952,785.60 - Step 4: Simplify right side
2,973,780.80x = 13,181,738,073,066.24 - Step 5: Solve for x
x = 13,181,738,073,066.24/2,973,780.80 - Step 6: Final answer
x = 4,432,652.90
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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.