Finding the Fourth Proportional to 5,319,732.81, 7,980,720.04 and 1,725,219.48
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Solution
The fourth proportional to 5,319,732.81, 7,980,720.04 and 1,725,219.48 is: 2,588,192.71
Step by Step Solution
- Step 1: Write the proportion equation
5,319,732.81 : 7,980,720.04 = 1,725,219.48 : x - Step 2: Convert to fraction form
5,319,732.81/7,980,720.04 = 1,725,219.48/x - Step 3: Cross multiply
5,319,732.81x = 7,980,720.04 × 1,725,219.48 - Step 4: Simplify right side
5,319,732.81x = 13,768,493,677,434.38 - Step 5: Solve for x
x = 13,768,493,677,434.38/5,319,732.81 - Step 6: Final answer
x = 2,588,192.71
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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.