Finding the Fourth Proportional to 3,749,417.61, 5,168,622.47 and 2,943,201.93
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Solution
The fourth proportional to 3,749,417.61, 5,168,622.47 and 2,943,201.93 is: 4,057,243.34
Step by Step Solution
- Step 1: Write the proportion equation
3,749,417.61 : 5,168,622.47 = 2,943,201.93 : x - Step 2: Convert to fraction form
3,749,417.61/5,168,622.47 = 2,943,201.93/x - Step 3: Cross multiply
3,749,417.61x = 5,168,622.47 × 2,943,201.93 - Step 4: Simplify right side
3,749,417.61x = 15,212,299,614,429.36 - Step 5: Solve for x
x = 15,212,299,614,429.36/3,749,417.61 - Step 6: Final answer
x = 4,057,243.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.