Finding the Fourth Proportional to 4,142,551.50, 6,214,048.70 and 1,302,885.09
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Solution
The fourth proportional to 4,142,551.50, 6,214,048.70 and 1,302,885.09 is: 1,954,397.28
Step by Step Solution
- Step 1: Write the proportion equation
4,142,551.50 : 6,214,048.70 = 1,302,885.09 : x - Step 2: Convert to fraction form
4,142,551.50/6,214,048.70 = 1,302,885.09/x - Step 3: Cross multiply
4,142,551.50x = 6,214,048.70 × 1,302,885.09 - Step 4: Simplify right side
4,142,551.50x = 8,096,191,393,249.46 - Step 5: Solve for x
x = 8,096,191,393,249.46/4,142,551.50 - Step 6: Final answer
x = 1,954,397.28
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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.