Finding the Fourth Proportional to 1,609,090.08, 2,220,472.56 and 964,865.76
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Solution
The fourth proportional to 1,609,090.08, 2,220,472.56 and 964,865.76 is: 1,331,471.72
Step by Step Solution
- Step 1: Write the proportion equation
1,609,090.08 : 2,220,472.56 = 964,865.76 : x - Step 2: Convert to fraction form
1,609,090.08/2,220,472.56 = 964,865.76/x - Step 3: Cross multiply
1,609,090.08x = 2,220,472.56 × 964,865.76 - Step 4: Simplify right side
1,609,090.08x = 2,142,457,944,163.55 - Step 5: Solve for x
x = 2,142,457,944,163.55/1,609,090.08 - Step 6: Final answer
x = 1,331,471.72
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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.