Finding the Fourth Proportional to 3,479,001.18, 5,214,218.49 and 1,658,323.50
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Solution
The fourth proportional to 3,479,001.18, 5,214,218.49 and 1,658,323.50 is: 2,485,443.55
Step by Step Solution
- Step 1: Write the proportion equation
3,479,001.18 : 5,214,218.49 = 1,658,323.50 : x - Step 2: Convert to fraction form
3,479,001.18/5,214,218.49 = 1,658,323.50/x - Step 3: Cross multiply
3,479,001.18x = 5,214,218.49 × 1,658,323.50 - Step 4: Simplify right side
3,479,001.18x = 8,646,861,056,101.52 - Step 5: Solve for x
x = 8,646,861,056,101.52/3,479,001.18 - Step 6: Final answer
x = 2,485,443.55
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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.