Finding the Fourth Proportional to 6,220,103.20, 9,334,358.85 and 2,176,626.79
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Solution
The fourth proportional to 6,220,103.20, 9,334,358.85 and 2,176,626.79 is: 3,266,411.32
Step by Step Solution
- Step 1: Write the proportion equation
6,220,103.20 : 9,334,358.85 = 2,176,626.79 : x - Step 2: Convert to fraction form
6,220,103.20/9,334,358.85 = 2,176,626.79/x - Step 3: Cross multiply
6,220,103.20x = 9,334,358.85 × 2,176,626.79 - Step 4: Simplify right side
6,220,103.20x = 20,317,415,495,464.59 - Step 5: Solve for x
x = 20,317,415,495,464.59/6,220,103.20 - Step 6: Final answer
x = 3,266,411.32
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1.5x scale
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.