Finding the Fourth Proportional to 1,516,628.94, 2,092,930.56 and 872,051.70
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Solution
The fourth proportional to 1,516,628.94, 2,092,930.56 and 872,051.70 is: 1,203,421.35
Step by Step Solution
- Step 1: Write the proportion equation
1,516,628.94 : 2,092,930.56 = 872,051.70 : x - Step 2: Convert to fraction form
1,516,628.94/2,092,930.56 = 872,051.70/x - Step 3: Cross multiply
1,516,628.94x = 2,092,930.56 × 872,051.70 - Step 4: Simplify right side
1,516,628.94x = 1,825,143,652,829.95 - Step 5: Solve for x
x = 1,825,143,652,829.95/1,516,628.94 - Step 6: Final answer
x = 1,203,421.35
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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.