Finding the Fourth Proportional to 3,730,911.74, 5,587,399.30 and 2,128,617.14
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Solution
The fourth proportional to 3,730,911.74, 5,587,399.30 and 2,128,617.14 is: 3,187,808.97
Step by Step Solution
- Step 1: Write the proportion equation
3,730,911.74 : 5,587,399.30 = 2,128,617.14 : x - Step 2: Convert to fraction form
3,730,911.74/5,587,399.30 = 2,128,617.14/x - Step 3: Cross multiply
3,730,911.74x = 5,587,399.30 × 2,128,617.14 - Step 4: Simplify right side
3,730,911.74x = 11,893,433,918,004.00 - Step 5: Solve for x
x = 11,893,433,918,004.00/3,730,911.74 - Step 6: Final answer
x = 3,187,808.97
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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.