Finding the Fourth Proportional to 2,776,272.60, 4,165,964.10 and 1,178,563.80
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Solution
The fourth proportional to 2,776,272.60, 4,165,964.10 and 1,178,563.80 is: 1,768,505.90
Step by Step Solution
- Step 1: Write the proportion equation
2,776,272.60 : 4,165,964.10 = 1,178,563.80 : x - Step 2: Convert to fraction form
2,776,272.60/4,165,964.10 = 1,178,563.80/x - Step 3: Cross multiply
2,776,272.60x = 4,165,964.10 × 1,178,563.80 - Step 4: Simplify right side
2,776,272.60x = 4,909,854,480,359.58 - Step 5: Solve for x
x = 4,909,854,480,359.58/2,776,272.60 - Step 6: Final answer
x = 1,768,505.90
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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.