Finding the Fourth Proportional to 2,438,829.90, 3,365,539.74 and 1,472,000.94
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Solution
The fourth proportional to 2,438,829.90, 3,365,539.74 and 1,472,000.94 is: 2,031,333.82
Step by Step Solution
- Step 1: Write the proportion equation
2,438,829.90 : 3,365,539.74 = 1,472,000.94 : x - Step 2: Convert to fraction form
2,438,829.90/3,365,539.74 = 1,472,000.94/x - Step 3: Cross multiply
2,438,829.90x = 3,365,539.74 × 1,472,000.94 - Step 4: Simplify right side
2,438,829.90x = 4,954,077,660,887.36 - Step 5: Solve for x
x = 4,954,077,660,887.36/2,438,829.90 - Step 6: Final answer
x = 2,031,333.82
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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.