Finding the Fourth Proportional to 1,643,295.15, 2,463,368.09 and 695,361.87
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Solution
The fourth proportional to 1,643,295.15, 2,463,368.09 and 695,361.87 is: 1,042,376.49
Step by Step Solution
- Step 1: Write the proportion equation
1,643,295.15 : 2,463,368.09 = 695,361.87 : x - Step 2: Convert to fraction form
1,643,295.15/2,463,368.09 = 695,361.87/x - Step 3: Cross multiply
1,643,295.15x = 2,463,368.09 × 695,361.87 - Step 4: Simplify right side
1,643,295.15x = 1,712,932,238,083.92 - Step 5: Solve for x
x = 1,712,932,238,083.92/1,643,295.15 - Step 6: Final answer
x = 1,042,376.49
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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.