Finding the Fourth Proportional to 4,230,785.60, 6,349,807.20 and 1,708,251.20
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Solution
The fourth proportional to 4,230,785.60, 6,349,807.20 and 1,708,251.20 is: 2,563,841.99
Step by Step Solution
- Step 1: Write the proportion equation
4,230,785.60 : 6,349,807.20 = 1,708,251.20 : x - Step 2: Convert to fraction form
4,230,785.60/6,349,807.20 = 1,708,251.20/x - Step 3: Cross multiply
4,230,785.60x = 6,349,807.20 × 1,708,251.20 - Step 4: Simplify right side
4,230,785.60x = 10,847,065,769,168.64 - Step 5: Solve for x
x = 10,847,065,769,168.64/4,230,785.60 - Step 6: Final answer
x = 2,563,841.99
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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.