Finding the Fourth Proportional to 2,405,535.90, 3,319,639.35 and 1,438,666.17
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Solution
The fourth proportional to 2,405,535.90, 3,319,639.35 and 1,438,666.17 is: 1,985,359.20
Step by Step Solution
- Step 1: Write the proportion equation
2,405,535.90 : 3,319,639.35 = 1,438,666.17 : x - Step 2: Convert to fraction form
2,405,535.90/3,319,639.35 = 1,438,666.17/x - Step 3: Cross multiply
2,405,535.90x = 3,319,639.35 × 1,438,666.17 - Step 4: Simplify right side
2,405,535.90x = 4,775,852,829,445.79 - Step 5: Solve for x
x = 4,775,852,829,445.79/2,405,535.90 - Step 6: Final answer
x = 1,985,359.20
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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.