Finding the Fourth Proportional to 5,430,898.12, 8,153,466.78 and 3,641,787.23
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Solution
The fourth proportional to 5,430,898.12, 8,153,466.78 and 3,641,787.23 is: 5,467,455.02
Step by Step Solution
- Step 1: Write the proportion equation
5,430,898.12 : 8,153,466.78 = 3,641,787.23 : x - Step 2: Convert to fraction form
5,430,898.12/8,153,466.78 = 3,641,787.23/x - Step 3: Cross multiply
5,430,898.12x = 8,153,466.78 × 3,641,787.23 - Step 4: Simplify right side
5,430,898.12x = 29,693,191,181,424.29 - Step 5: Solve for x
x = 29,693,191,181,424.29/5,430,898.12 - Step 6: Final answer
x = 5,467,455.02
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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.