Finding the Fourth Proportional to 6,283,503.75, 8,671,235.18 and 3,421,935.75
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Solution
The fourth proportional to 6,283,503.75, 8,671,235.18 and 3,421,935.75 is: 4,722,271.34
Step by Step Solution
- Step 1: Write the proportion equation
6,283,503.75 : 8,671,235.18 = 3,421,935.75 : x - Step 2: Convert to fraction form
6,283,503.75/8,671,235.18 = 3,421,935.75/x - Step 3: Cross multiply
6,283,503.75x = 8,671,235.18 × 3,421,935.75 - Step 4: Simplify right side
6,283,503.75x = 29,672,409,659,099.68 - Step 5: Solve for x
x = 29,672,409,659,099.68/6,283,503.75 - Step 6: Final answer
x = 4,722,271.34
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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.