Finding the Fourth Proportional to 4,990,277.64, 6,886,590.56 and 2,698,438.32
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Solution
The fourth proportional to 4,990,277.64, 6,886,590.56 and 2,698,438.32 is: 3,723,848.89
Step by Step Solution
- Step 1: Write the proportion equation
4,990,277.64 : 6,886,590.56 = 2,698,438.32 : x - Step 2: Convert to fraction form
4,990,277.64/6,886,590.56 = 2,698,438.32/x - Step 3: Cross multiply
4,990,277.64x = 6,886,590.56 × 2,698,438.32 - Step 4: Simplify right side
4,990,277.64x = 18,583,039,861,254.26 - Step 5: Solve for x
x = 18,583,039,861,254.26/4,990,277.64 - Step 6: Final answer
x = 3,723,848.89
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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.