Finding the Fourth Proportional to 4,671,207.84, 7,003,447.42 and 2,870,370.08
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Solution
The fourth proportional to 4,671,207.84, 7,003,447.42 and 2,870,370.08 is: 4,303,487.80
Step by Step Solution
- Step 1: Write the proportion equation
4,671,207.84 : 7,003,447.42 = 2,870,370.08 : x - Step 2: Convert to fraction form
4,671,207.84/7,003,447.42 = 2,870,370.08/x - Step 3: Cross multiply
4,671,207.84x = 7,003,447.42 × 2,870,370.08 - Step 4: Simplify right side
4,671,207.84x = 20,102,485,931,221.20 - Step 5: Solve for x
x = 20,102,485,931,221.20/4,671,207.84 - Step 6: Final answer
x = 4,303,487.80
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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.