Finding the Fourth Proportional to 2,029,305.60, 2,800,298.08 and 1,157,936.12
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Solution
The fourth proportional to 2,029,305.60, 2,800,298.08 and 1,157,936.12 is: 1,597,869.88
Step by Step Solution
- Step 1: Write the proportion equation
2,029,305.60 : 2,800,298.08 = 1,157,936.12 : x - Step 2: Convert to fraction form
2,029,305.60/2,800,298.08 = 1,157,936.12/x - Step 3: Cross multiply
2,029,305.60x = 2,800,298.08 × 1,157,936.12 - Step 4: Simplify right side
2,029,305.60x = 3,242,566,297,704.56 - Step 5: Solve for x
x = 3,242,566,297,704.56/2,029,305.60 - Step 6: Final answer
x = 1,597,869.88
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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.