Finding the Fourth Proportional to 2,973,342.94, 4,102,865.16 and 1,749,379.28
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Solution
The fourth proportional to 2,973,342.94, 4,102,865.16 and 1,749,379.28 is: 2,413,938.59
Step by Step Solution
- Step 1: Write the proportion equation
2,973,342.94 : 4,102,865.16 = 1,749,379.28 : x - Step 2: Convert to fraction form
2,973,342.94/4,102,865.16 = 1,749,379.28/x - Step 3: Cross multiply
2,973,342.94x = 4,102,865.16 × 1,749,379.28 - Step 4: Simplify right side
2,973,342.94x = 7,177,467,272,463.39 - Step 5: Solve for x
x = 7,177,467,272,463.39/2,973,342.94 - Step 6: Final answer
x = 2,413,938.59
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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.