Finding the Fourth Proportional to 1,640,433.90, 2,460,779.68 and 442,338.18
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Solution
The fourth proportional to 1,640,433.90, 2,460,779.68 and 442,338.18 is: 663,542.01
Step by Step Solution
- Step 1: Write the proportion equation
1,640,433.90 : 2,460,779.68 = 442,338.18 : x - Step 2: Convert to fraction form
1,640,433.90/2,460,779.68 = 442,338.18/x - Step 3: Cross multiply
1,640,433.90x = 2,460,779.68 × 442,338.18 - Step 4: Simplify right side
1,640,433.90x = 1,088,496,805,032.18 - Step 5: Solve for x
x = 1,088,496,805,032.18/1,640,433.90 - Step 6: Final answer
x = 663,542.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.