Finding the Fourth Proportional to 6,905,764.32, 9,529,746.16 and 3,808,286.08
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Solution
The fourth proportional to 6,905,764.32, 9,529,746.16 and 3,808,286.08 is: 5,255,319.75
Step by Step Solution
- Step 1: Write the proportion equation
6,905,764.32 : 9,529,746.16 = 3,808,286.08 : x - Step 2: Convert to fraction form
6,905,764.32/9,529,746.16 = 3,808,286.08/x - Step 3: Cross multiply
6,905,764.32x = 9,529,746.16 × 3,808,286.08 - Step 4: Simplify right side
6,905,764.32x = 36,291,999,647,061.45 - Step 5: Solve for x
x = 36,291,999,647,061.45/6,905,764.32 - Step 6: Final answer
x = 5,255,319.75
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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.