Finding the Fourth Proportional to 4,239,558.32, 6,359,341.80 and 1,715,235.44
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Solution
The fourth proportional to 4,239,558.32, 6,359,341.80 and 1,715,235.44 is: 2,572,854.91
Step by Step Solution
- Step 1: Write the proportion equation
4,239,558.32 : 6,359,341.80 = 1,715,235.44 : x - Step 2: Convert to fraction form
4,239,558.32/6,359,341.80 = 1,715,235.44/x - Step 3: Cross multiply
4,239,558.32x = 6,359,341.80 × 1,715,235.44 - Step 4: Simplify right side
4,239,558.32x = 10,907,768,430,433.39 - Step 5: Solve for x
x = 10,907,768,430,433.39/4,239,558.32 - Step 6: Final answer
x = 2,572,854.91
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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.