Finding the Fourth Proportional to 1,620,805.98, 2,431,312.65 and 623,533.98
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Solution
The fourth proportional to 1,620,805.98, 2,431,312.65 and 623,533.98 is: 935,340.86
Step by Step Solution
- Step 1: Write the proportion equation
1,620,805.98 : 2,431,312.65 = 623,533.98 : x - Step 2: Convert to fraction form
1,620,805.98/2,431,312.65 = 623,533.98/x - Step 3: Cross multiply
1,620,805.98x = 2,431,312.65 × 623,533.98 - Step 4: Simplify right side
1,620,805.98x = 1,516,006,053,278.85 - Step 5: Solve for x
x = 1,516,006,053,278.85/1,620,805.98 - Step 6: Final answer
x = 935,340.86
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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.