Finding the Fourth Proportional to 6,277,319.20, 9,417,207.60 and 2,683,079.20
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Solution
The fourth proportional to 6,277,319.20, 9,417,207.60 and 2,683,079.20 is: 4,025,144.02
Step by Step Solution
- Step 1: Write the proportion equation
6,277,319.20 : 9,417,207.60 = 2,683,079.20 : x - Step 2: Convert to fraction form
6,277,319.20/9,417,207.60 = 2,683,079.20/x - Step 3: Cross multiply
6,277,319.20x = 9,417,207.60 × 2,683,079.20 - Step 4: Simplify right side
6,277,319.20x = 25,267,113,833,641.92 - Step 5: Solve for x
x = 25,267,113,833,641.92/6,277,319.20 - Step 6: Final answer
x = 4,025,144.02
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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.