Finding the Fourth Proportional to 5,202,433.08, 7,803,502.92 and 1,415,948.76
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Solution
The fourth proportional to 5,202,433.08, 7,803,502.92 and 1,415,948.76 is: 2,123,883.21
Step by Step Solution
- Step 1: Write the proportion equation
5,202,433.08 : 7,803,502.92 = 1,415,948.76 : x - Step 2: Convert to fraction form
5,202,433.08/7,803,502.92 = 1,415,948.76/x - Step 3: Cross multiply
5,202,433.08x = 7,803,502.92 × 1,415,948.76 - Step 4: Simplify right side
5,202,433.08x = 11,049,360,283,230.38 - Step 5: Solve for x
x = 11,049,360,283,230.38/5,202,433.08 - Step 6: Final answer
x = 2,123,883.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.