Finding the Fourth Proportional to 1,748,913.96, 2,414,615.58 and 1,427,390.94
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Solution
The fourth proportional to 1,748,913.96, 2,414,615.58 and 1,427,390.94 is: 1,970,708.95
Step by Step Solution
- Step 1: Write the proportion equation
1,748,913.96 : 2,414,615.58 = 1,427,390.94 : x - Step 2: Convert to fraction form
1,748,913.96/2,414,615.58 = 1,427,390.94/x - Step 3: Cross multiply
1,748,913.96x = 2,414,615.58 × 1,427,390.94 - Step 4: Simplify right side
1,748,913.96x = 3,446,600,402,474.85 - Step 5: Solve for x
x = 3,446,600,402,474.85/1,748,913.96 - Step 6: Final answer
x = 1,970,708.95
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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.