Finding the Fourth Proportional to 2,124,816.23, 2,931,414.06 and 1,307,601.14
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Solution
The fourth proportional to 2,124,816.23, 2,931,414.06 and 1,307,601.14 is: 1,803,977.35
Step by Step Solution
- Step 1: Write the proportion equation
2,124,816.23 : 2,931,414.06 = 1,307,601.14 : x - Step 2: Convert to fraction form
2,124,816.23/2,931,414.06 = 1,307,601.14/x - Step 3: Cross multiply
2,124,816.23x = 2,931,414.06 × 1,307,601.14 - Step 4: Simplify right side
2,124,816.23x = 3,833,120,362,370.78 - Step 5: Solve for x
x = 3,833,120,362,370.78/2,124,816.23 - Step 6: Final answer
x = 1,803,977.35
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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.