Finding the Fourth Proportional to 6,391,258.40, 9,592,330.80 and 2,607,456.80
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Solution
The fourth proportional to 6,391,258.40, 9,592,330.80 and 2,607,456.80 is: 3,913,405.88
Step by Step Solution
- Step 1: Write the proportion equation
6,391,258.40 : 9,592,330.80 = 2,607,456.80 : x - Step 2: Convert to fraction form
6,391,258.40/9,592,330.80 = 2,607,456.80/x - Step 3: Cross multiply
6,391,258.40x = 9,592,330.80 × 2,607,456.80 - Step 4: Simplify right side
6,391,258.40x = 25,011,588,172,309.44 - Step 5: Solve for x
x = 25,011,588,172,309.44/6,391,258.40 - Step 6: Final answer
x = 3,913,405.88
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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.