Finding the Fourth Proportional to 6,220,391.46, 8,564,604.84 and 5,288,265.06
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Solution
The fourth proportional to 6,220,391.46, 8,564,604.84 and 5,288,265.06 is: 7,281,197.79
Step by Step Solution
- Step 1: Write the proportion equation
6,220,391.46 : 8,564,604.84 = 5,288,265.06 : x - Step 2: Convert to fraction form
6,220,391.46/8,564,604.84 = 5,288,265.06/x - Step 3: Cross multiply
6,220,391.46x = 8,564,604.84 × 5,288,265.06 - Step 4: Simplify right side
6,220,391.46x = 45,291,900,495,961.62 - Step 5: Solve for x
x = 45,291,900,495,961.62/6,220,391.46 - Step 6: Final answer
x = 7,281,197.79
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1.5x scale
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.